{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,7]],"date-time":"2026-10-07T15:20:28Z","timestamp":1791386428736,"version":"4.3.3"},"reference-count":61,"publisher":"Elsevier BV","license":[{"start":{"date-parts":[[2019,3,1]],"date-time":"2019-03-01T00:00:00Z","timestamp":1551398400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"}],"content-domain":{"domain":["clinicalkey.jp","clinicalkey.com","clinicalkey.es","clinicalkey.fr","clinicalkey.com.au","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Physical Therapy in Sport"],"published-print":{"date-parts":[[2019,3]]},"DOI":"10.1016\/j.ptsp.2018.12.008","type":"journal-article","created":{"date-parts":[[2018,12,22]],"date-time":"2018-12-22T01:07:40Z","timestamp":1545440860000},"page":"34-42","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":23,"special_numbering":"C","title":["The effectiveness of incidental physical activity interventions compared to other interventions in the management of people with low back pain: A systematic review and meta-analysis of randomised controlled trials"],"prefix":"10.1016","volume":"36","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-4383-115X","authenticated-orcid":false,"given":"Hosam","family":"Alzahrani","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Martin","family":"Mackey","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7323-3225","authenticated-orcid":false,"given":"Emmanuel","family":"Stamatakis","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7459-5105","authenticated-orcid":false,"given":"Marina B.","family":"Pinheiro","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Manuela","family":"Wicks","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Debra","family":"Shirley","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"issue":"7","key":"10.1016\/j.ptsp.2018.12.008_bib1","doi-asserted-by":"crossref","first-page":"958","DOI":"10.1001\/jamainternmed.2016.1251","article-title":"Efficacy, tolerability, and dose-dependent effects of opioid analgesics for low back pain: A systematic review and meta-analysis","volume":"176","author":"Abdel Shaheed","year":"2016","journal-title":"JAMA Internal Medicine"},{"issue":"Suppl 2","key":"10.1016\/j.ptsp.2018.12.008_bib2","doi-asserted-by":"crossref","first-page":"S192","DOI":"10.1007\/s00586-006-1072-1","article-title":"Chapter 4 European guidelines for the management of chronic nonspecific low back pain","volume":"15","author":"Airaksinen","year":"2006","journal-title":"European Spine Journal"},{"issue":"7454","key":"10.1016\/j.ptsp.2018.12.008_bib3","doi-asserted-by":"crossref","first-page":"1490","DOI":"10.1136\/bmj.328.7454.1490","article-title":"Grading quality of evidence and strength of recommendations","volume":"328","author":"Atkins","year":"2004","journal-title":"BMJ (Clinical research ed)"},{"issue":"1","key":"10.1016\/j.ptsp.2018.12.008_bib4","doi-asserted-by":"crossref","first-page":"38","DOI":"10.1186\/1472-6963-4-38","article-title":"Systems for grading the quality of evidence and the strength of recommendations I: Critical appraisal of existing approaches the GRADE working group","volume":"4","author":"Atkins","year":"2004","journal-title":"BMC Health Services Research"},{"issue":"9814","key":"10.1016\/j.ptsp.2018.12.008_bib5","doi-asserted-by":"crossref","first-page":"482","DOI":"10.1016\/S0140-6736(11)60610-7","article-title":"Non-specific low back pain","volume":"379","author":"Balague","year":"2012","journal-title":"Lancet (London, England)"},{"key":"10.1016\/j.ptsp.2018.12.008_bib6","first-page":"CD007612","article-title":"Advice to rest in bed versus advice to stay active for acute low-back pain and sciatica","volume":"6","author":"Dahm","year":"2010","journal-title":"Cochrane Database of Systematic Reviews"},{"key":"10.1016\/j.ptsp.2018.12.008_bib7","author":"Deeks"},{"key":"10.1016\/j.ptsp.2018.12.008_bib8","series-title":"Lifestyle physical activity interventions. History, short- and long-term effects, and recommendations","author":"Dunn","year":"1998"},{"issue":"4","key":"10.1016\/j.ptsp.2018.12.008_bib9","doi-asserted-by":"crossref","first-page":"398","DOI":"10.1016\/S0749-3797(98)00084-1","article-title":"Lifestyle physical activity interventions: History, short- and long-term effects, and recommendations","volume":"15","author":"Dunn","year":"1998","journal-title":"American Journal of Preventive Medicine"},{"issue":"4","key":"10.1016\/j.ptsp.2018.12.008_bib10","doi-asserted-by":"crossref","first-page":"327","DOI":"10.1001\/jama.281.4.327","article-title":"Comparison of lifestyle and structured interventions to increase physical activity and cardiorespiratory fitness: A randomized trial","volume":"281","author":"Dunn","year":"1999","journal-title":"JAMA"},{"issue":"7109","key":"10.1016\/j.ptsp.2018.12.008_bib11","doi-asserted-by":"crossref","first-page":"629","DOI":"10.1136\/bmj.315.7109.629","article-title":"Bias in meta-analysis detected by a simple, graphical test","volume":"315","author":"Egger","year":"1997","journal-title":"BMJ (Clinical research ed)"},{"issue":"21","key":"10.1016\/j.ptsp.2018.12.008_bib12","doi-asserted-by":"crossref","first-page":"1660","DOI":"10.1097\/BRS.0000000000001061","article-title":"Updated method guideline for systematic reviews in the Cochrane back and neck group","volume":"40","author":"Furlan","year":"2015","journal-title":"Spine"},{"issue":"18","key":"10.1016\/j.ptsp.2018.12.008_bib13","doi-asserted-by":"crossref","first-page":"1929","DOI":"10.1097\/BRS.0b013e3181b1c99f","article-title":"Updated method guidelines for systematic reviews in the Cochrane Back Review Group","volume":"34","author":"Furlan","year":"2009","journal-title":"Spine"},{"key":"10.1016\/j.ptsp.2018.12.008_bib14","doi-asserted-by":"crossref","unstructured":"Guyatt GH, AD Oxman, R Kunz, J Woodcock, J Brozek, M Helfand, et\u00a0al. GRADE guidelines: 8. Rating the quality of evidence--2014;indirectness. Journal of Clinical Epidemiology;64(12):1303-1310.","DOI":"10.1016\/j.jclinepi.2011.04.014"},{"issue":"12","key":"10.1016\/j.ptsp.2018.12.008_bib15","doi-asserted-by":"crossref","first-page":"1294","DOI":"10.1016\/j.jclinepi.2011.03.017","article-title":"GRADE guidelines: 7. Rating the quality of evidence--inconsistency","volume":"64","author":"Guyatt","year":"2011","journal-title":"Journal of Clinical Epidemiology"},{"issue":"12","key":"10.1016\/j.ptsp.2018.12.008_bib16","doi-asserted-by":"crossref","first-page":"1277","DOI":"10.1016\/j.jclinepi.2011.01.011","article-title":"GRADE guidelines: 5. Rating the quality of evidence--publication bias","volume":"64","author":"Guyatt","year":"2011","journal-title":"Journal of Clinical Epidemiology"},{"issue":"4","key":"10.1016\/j.ptsp.2018.12.008_bib17","doi-asserted-by":"crossref","first-page":"407","DOI":"10.1016\/j.jclinepi.2010.07.017","article-title":"GRADE guidelines: 4. Rating the quality of evidence--study limitations (risk of bias)","volume":"64","author":"Guyatt","year":"2011","journal-title":"Journal of Clinical Epidemiology"},{"issue":"1","key":"10.1016\/j.ptsp.2018.12.008_bib18","doi-asserted-by":"crossref","first-page":"84","DOI":"10.1249\/MSS.0b013e3182251077","article-title":"Physical activity and cardiovascular mortality risk: Possible protective mechanisms?","volume":"44","author":"Hamer","year":"2012","journal-title":"Medicine & Science in Sports & Exercise"},{"key":"10.1016\/j.ptsp.2018.12.008_bib19","doi-asserted-by":"crossref","first-page":"30","DOI":"10.1186\/1471-2474-11-30","article-title":"Supervised and non-supervised nordic walking in the treatment of chronic low back pain: A single blind randomized clinical trial","volume":"11","author":"Hartvigsen","year":"2010","journal-title":"BMC Musculoskeletal Disorders"},{"issue":"9","key":"10.1016\/j.ptsp.2018.12.008_bib20","doi-asserted-by":"crossref","first-page":"765","DOI":"10.7326\/0003-4819-142-9-200505030-00013","article-title":"Meta-analysis: Exercise therapy for nonspecific low back pain","volume":"142","author":"Hayden","year":"2005","journal-title":"Annals of Internal Medicine"},{"issue":"4","key":"10.1016\/j.ptsp.2018.12.008_bib21","doi-asserted-by":"crossref","first-page":"333","DOI":"10.1023\/A:1024205011001","article-title":"Does adherence to a lifestyle physical activity intervention predict changes in physical activity?","volume":"26","author":"Heesch","year":"2003","journal-title":"Journal of Behavioral Medicine"},{"issue":"10","key":"10.1016\/j.ptsp.2018.12.008_bib22","doi-asserted-by":"crossref","first-page":"1613","DOI":"10.1007\/s00586-010-1412-z","article-title":"The effectiveness of walking as an intervention for low back pain: A systematic review","volume":"19","author":"Hendrick","year":"2010","journal-title":"European Spine Journal"},{"key":"10.1016\/j.ptsp.2018.12.008_bib23","series-title":"Research methods for clinical therapists: Applied project design and analysis","author":"Hicks","year":"2009"},{"key":"10.1016\/j.ptsp.2018.12.008_bib24","series-title":"Cochrane handbook for systematic reviews of interventions","author":"Higgins","year":"2008"},{"issue":"0","key":"10.1016\/j.ptsp.2018.12.008_bib25","article-title":"Cochrane handbook for systematic reviews of interventions version 5.1. 0","volume":"5","author":"Higgins","year":"2011","journal-title":"The cochrane collaboration"},{"issue":"7414","key":"10.1016\/j.ptsp.2018.12.008_bib26","doi-asserted-by":"crossref","first-page":"557","DOI":"10.1136\/bmj.327.7414.557","article-title":"Measuring inconsistency in meta-analyses","volume":"327","author":"Higgins","year":"2003","journal-title":"BMJ (Clinical research ed)"},{"issue":"2","key":"10.1016\/j.ptsp.2018.12.008_bib27","first-page":"CD003632","article-title":"Advice to stay active as a single treatment for low back pain and sciatica","author":"Hilde","year":"2002","journal-title":"Cochrane Database of Systematic Reviews"},{"key":"10.1016\/j.ptsp.2018.12.008_bib28","series-title":"The future of health and fitness: A plan for getting europe active by 2025","author":"Hortob\u00e1gyi","year":"2014"},{"issue":"6","key":"10.1016\/j.ptsp.2018.12.008_bib29","doi-asserted-by":"crossref","first-page":"2028","DOI":"10.1002\/art.34347","article-title":"A\u00a0systematic review of the global prevalence of low back pain","volume":"64","author":"Hoy","year":"2012","journal-title":"Arthritis & Rheumatism"},{"issue":"6","key":"10.1016\/j.ptsp.2018.12.008_bib30","doi-asserted-by":"crossref","first-page":"769","DOI":"10.1016\/j.berh.2010.10.002","article-title":"The Epidemiology of low back pain","volume":"24","author":"Hoy","year":"2010","journal-title":"Best Practice & Research Clinical Rheumatology"},{"issue":"8","key":"10.1016\/j.ptsp.2018.12.008_bib31","doi-asserted-by":"crossref","first-page":"e181","DOI":"10.2196\/jmir.2605","article-title":"Pedometer-based internet-mediated intervention for adults with chronic low back pain: Randomized controlled trial","volume":"15","author":"Krein","year":"2013","journal-title":"Journal of Medical Internet Research"},{"issue":"1","key":"10.1016\/j.ptsp.2018.12.008_bib32","doi-asserted-by":"crossref","first-page":"77","DOI":"10.1016\/j.berh.2006.08.004","article-title":"Low back pain (non-specific)","volume":"21","author":"Krismer","year":"2007","journal-title":"Best Practice & Research Clinical Rheumatology"},{"issue":"3","key":"10.1016\/j.ptsp.2018.12.008_bib33","doi-asserted-by":"crossref","first-page":"607","DOI":"10.1016\/j.pain.2010.11.034","article-title":"Relationship between physical activity and disability in low back pain: A systematic review and meta-analysis","volume":"152","author":"Lin","year":"2011","journal-title":"Pain"},{"issue":"8","key":"10.1016\/j.ptsp.2018.12.008_bib34","doi-asserted-by":"crossref","first-page":"713","DOI":"10.1093\/ptj\/83.8.713","article-title":"Reliability of the PEDro scale for rating quality of randomized controlled trials","volume":"83","author":"Maher","year":"2003","journal-title":"Physical Therapy"},{"issue":"11","key":"10.1016\/j.ptsp.2018.12.008_bib35","doi-asserted-by":"crossref","first-page":"972","DOI":"10.1097\/AJP.0b013e31827f9d81","article-title":"Pedometer-driven walking for chronic low back pain: A feasibility randomized controlled trial","volume":"29","author":"McDonough","year":"2013","journal-title":"The Clinical Journal of Pain"},{"issue":"7","key":"10.1016\/j.ptsp.2018.12.008_bib36","article-title":"Effectiveness of exercise versus normal activity on acute low back pain: An integrative synthesis and meta-analysis","volume":"6","author":"McLain","year":"1999","journal-title":"The Online Journal of Knowledge Synthesis for Nursing"},{"issue":"7","key":"10.1016\/j.ptsp.2018.12.008_bib37","doi-asserted-by":"crossref","first-page":"e1000097","DOI":"10.1371\/journal.pmed.1000097","article-title":"Preferred reporting items for systematic reviews and meta-analyses: The PRISMA statement","volume":"6","author":"Moher","year":"2009","journal-title":"PLoS Medicine"},{"key":"10.1016\/j.ptsp.2018.12.008_bib38","author":"National Institute for Health and Clinical Excellence"},{"issue":"4","key":"10.1016\/j.ptsp.2018.12.008_bib39","doi-asserted-by":"crossref","first-page":"724","DOI":"10.1016\/j.apmr.2014.12.003","article-title":"Walking exercise for chronic musculoskeletal pain: Systematic review and meta-analysis","volume":"96","author":"O'Connor","year":"2015","journal-title":"Archives of Physical Medicine and Rehabilitation"},{"issue":"12","key":"10.1016\/j.ptsp.2018.12.008_bib40","doi-asserted-by":"crossref","first-page":"1832","DOI":"10.1002\/acr.22919","article-title":"Physical activity interventions for increasing objectively measured physical activity levels in patients with chronic musculoskeletal pain: A systematic review","volume":"68","author":"Oliveira","year":"2016","journal-title":"Arthritis Care & Research"},{"issue":"4","key":"10.1016\/j.ptsp.2018.12.008_bib41","doi-asserted-by":"crossref","first-page":"593","DOI":"10.1016\/j.berh.2005.03.003","article-title":"Clinically important outcomes in low back pain","volume":"19","author":"Ostelo","year":"2005","journal-title":"Best Practice & Research Clinical Rheumatology"},{"issue":"3","key":"10.1016\/j.ptsp.2018.12.008_bib42","doi-asserted-by":"crossref","first-page":"335","DOI":"10.1001\/jamainternmed.2016.8014","article-title":"Association of \u201cweekend warrior\u201d and other leisure time physical activity patterns with risks for all-cause, cardiovascular disease, and cancer mortality","volume":"177","author":"O'Donovan","year":"2017","journal-title":"JAMA Internal Medicine"},{"key":"10.1016\/j.ptsp.2018.12.008_bib43","author":"Physical Activity Guidelines Advisory Committee"},{"key":"10.1016\/j.ptsp.2018.12.008_bib44","series-title":"Review manager (RevMan). 5.3","author":"RevMan The Cochrane Collaboration","year":"2014"},{"key":"10.1016\/j.ptsp.2018.12.008_bib45","doi-asserted-by":"crossref","first-page":"46","DOI":"10.1016\/j.ypmed.2014.06.023","article-title":"Systematic review of incidental physical activity community interventions","volume":"67","author":"Reynolds","year":"2014","journal-title":"Preventive Medicine"},{"issue":"1","key":"10.1016\/j.ptsp.2018.12.008_bib46","doi-asserted-by":"crossref","first-page":"53","DOI":"10.1016\/S0004-9514(09)70061-3","article-title":"Individuals with chronic low back pain have a lower level, and an altered pattern, of physical activity compared with matched controls: An observational study","volume":"55","author":"Ryan","year":"2009","journal-title":"Australian Journal of Physiotherapy"},{"key":"10.1016\/j.ptsp.2018.12.008_bib47","series-title":"How to GRADE the quality of the evidence","author":"Ryan","year":"2016"},{"issue":"4","key":"10.1016\/j.ptsp.2018.12.008_bib48","doi-asserted-by":"crossref","first-page":"1016","DOI":"10.2337\/dc13-1816","article-title":"Physical activity and risk of all-cause and cardiovascular disease mortality in diabetic adults from great Britain: Pooled analysis of 10 population-based cohorts","volume":"37","author":"Sadarangani","year":"2014","journal-title":"Diabetes Care"},{"issue":"16","key":"10.1016\/j.ptsp.2018.12.008_bib49","doi-asserted-by":"crossref","first-page":"1284","DOI":"10.1097\/BRS.0000000000001645","article-title":"Motor control exercise for nonspecific low back pain: A Cochrane review","volume":"41","author":"Saragiotto","year":"2016","journal-title":"Spine"},{"issue":"12","key":"10.1016\/j.ptsp.2018.12.008_bib50","doi-asserted-by":"crossref","first-page":"1155","DOI":"10.1177\/0269215515570379","article-title":"Exercise interventions for the treatment of chronic low back pain: A systematic review and meta-analysis of randomised controlled trials","volume":"29","author":"Searle","year":"2015","journal-title":"Clinical Rehabilitation"},{"issue":"1","key":"10.1016\/j.ptsp.2018.12.008_bib51","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1016\/S0749-3797(00)00154-9","article-title":"Cost-effectiveness of lifestyle and structured exercise interventions in sedentary adults: Results of project ACTIVE","volume":"19","author":"Sevick","year":"2000","journal-title":"American Journal of Preventive Medicine"},{"issue":"1","key":"10.1016\/j.ptsp.2018.12.008_bib52","doi-asserted-by":"crossref","DOI":"10.1186\/1471-2474-15-416","article-title":"An update of stabilisation exercises for low back pain: A systematic review with meta-analysis","volume":"15","author":"Smith","year":"2014","journal-title":"BMC Musculoskeletal Disorders"},{"key":"10.1016\/j.ptsp.2018.12.008_bib53","doi-asserted-by":"crossref","first-page":"d4002","DOI":"10.1136\/bmj.d4002","article-title":"Recommendations for examining and interpreting funnel plot asymmetry in meta-analyses of randomised controlled trials","volume":"343","author":"Sterne","year":"2011","journal-title":"BMJ (Clinical research ed)"},{"issue":"4","key":"10.1016\/j.ptsp.2018.12.008_bib54","doi-asserted-by":"crossref","first-page":"226","DOI":"10.1016\/S1473-3099(10)70065-7","article-title":"Systematic reviews: CRD's guidance for undertaking reviews in health care","volume":"10","author":"Tacconelli","year":"2010","journal-title":"The Lancet Infectious Diseases"},{"issue":"5","key":"10.1016\/j.ptsp.2018.12.008_bib55","doi-asserted-by":"crossref","first-page":"761","DOI":"10.1053\/berh.2002.0267","article-title":"Low back pain","volume":"16","author":"van Tulder","year":"2002","journal-title":"Best Practice & Research Clinical Rheumatology"},{"issue":"3","key":"10.1016\/j.ptsp.2018.12.008_bib56","doi-asserted-by":"crossref","first-page":"193","DOI":"10.1016\/j.jbspin.2004.07.010","article-title":"Factors involved in progression to chronicity of mechanical low back pain","volume":"72","author":"Valat","year":"2005","journal-title":"Joint Bone Spine"},{"issue":"10100","key":"10.1016\/j.ptsp.2018.12.008_bib57","doi-asserted-by":"crossref","first-page":"1211","DOI":"10.1016\/S0140-6736(17)32154-2","article-title":"Global, regional, and national incidence, prevalence, and years lived with disability for 328 diseases and injuries for 195 countries, 1990-2016: A systematic analysis for the global burden of disease study 2016","volume":"390","author":"Vos","year":"2017","journal-title":"The Lancet"},{"issue":"3","key":"10.1016\/j.ptsp.2018.12.008_bib58","doi-asserted-by":"crossref","first-page":"205","DOI":"10.1097\/00002517-200006000-00003","article-title":"The prevalence of low back pain: A systematic review of the literature from 1966 to 1998","volume":"13","author":"Walker","year":"2000","journal-title":"Journal of Spinal Disorders"},{"issue":"12","key":"10.1016\/j.ptsp.2018.12.008_bib59","doi-asserted-by":"crossref","first-page":"e52082","DOI":"10.1371\/journal.pone.0052082","article-title":"A\u00a0meta-analysis of core stability exercise versus general exercise for chronic low back pain","volume":"7","author":"Wang","year":"2012","journal-title":"PLoS One"},{"issue":"2","key":"10.1016\/j.ptsp.2018.12.008_bib60","doi-asserted-by":"crossref","first-page":"161","DOI":"10.1139\/h01-012","article-title":"The effects of changes in musculoskeletal fitness on health","volume":"26","author":"Warburton","year":"2001","journal-title":"Canadian journal of applied physiology\u00a0= Revue canadienne de physiologie appliquee"},{"issue":"6","key":"10.1016\/j.ptsp.2018.12.008_bib61","doi-asserted-by":"crossref","first-page":"801","DOI":"10.1503\/cmaj.051351","article-title":"Health benefits of physical activity: The evidence","volume":"174","author":"Warburton","year":"2006","journal-title":"Canadian Medical Association Journal : Canadian Medical Association Journal"}],"container-title":["Physical Therapy in Sport"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1466853X18305200?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1466853X18305200?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2020,11,19]],"date-time":"2020-11-19T05:21:12Z","timestamp":1605763272000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S1466853X18305200"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2019,3]]},"references-count":61,"alternative-id":["S1466853X18305200"],"URL":"https:\/\/doi.org\/10.1016\/j.ptsp.2018.12.008","relation":{},"ISSN":["1466-853X"],"issn-type":[{"value":"1466-853X","type":"print"}],"subject":[],"published":{"date-parts":[[2019,3]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"The effectiveness of incidental physical activity interventions compared to other interventions in the management of people with low back pain: A systematic review and meta-analysis of randomised controlled trials","name":"articletitle","label":"Article Title"},{"value":"Physical Therapy in Sport","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.ptsp.2018.12.008","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2018 Elsevier Ltd. All rights reserved.","name":"copyright","label":"Copyright"}]}}