{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,11]],"date-time":"2026-07-11T19:51:12Z","timestamp":1783799472667,"version":"3.55.0"},"reference-count":44,"publisher":"Springer Science and Business Media LLC","issue":"4","license":[{"start":{"date-parts":[[2018,9,11]],"date-time":"2018-09-11T00:00:00Z","timestamp":1536624000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/www.springer.com\/tdm"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Skeletal Radiol"],"published-print":{"date-parts":[[2019,4]]},"DOI":"10.1007\/s00256-018-3055-9","type":"journal-article","created":{"date-parts":[[2018,9,10]],"date-time":"2018-09-10T22:57:26Z","timestamp":1536620246000},"page":"553-561","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":19,"title":["Magnetic resonance imaging of the craniovertebral junction in early rheumatoid arthritis"],"prefix":"10.1007","volume":"48","author":[{"given":"Marina","family":"Carotti","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fausto","family":"Salaffi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0906-4647","authenticated-orcid":false,"given":"Marco","family":"Di Carlo","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Francesco","family":"Sessa","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Andrea","family":"Giovagnoni","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2018,9,11]]},"reference":[{"issue":"6","key":"3055_CR1","first-page":"819","volume":"23","author":"F Salaffi","year":"2005","unstructured":"Salaffi F, De Angelis R, Grassi W. Prevalence of musculoskeletal conditions in an Italian population sample: results of a regional community-based study. The MAPPING study. Clin Exp Rheumatol. 2005;23(6):819\u201328.","journal-title":"Clin Exp Rheumatol"},{"issue":"7","key":"3055_CR2","doi-asserted-by":"publisher","first-page":"1316","DOI":"10.1136\/annrheumdis-2013-204627","volume":"73","author":"M Cross","year":"2014","unstructured":"Cross M, Smith E, Hoy D, Carmona L, Wolfe F, Vos T, et al. The global burden of rheumatoid arthritis: estimates from the global burden of disease 2010 study. Ann Rheum Dis. 2014;73(7):1316\u201322.","journal-title":"Ann Rheum Dis"},{"issue":"5","key":"3055_CR3","first-page":"801","volume":"32","author":"AK Zikou","year":"2005","unstructured":"Zikou AK, Alamanos Y, Argyropoulou MI, Tsifetaki N, Tsampoulas C, Voulgari PV, et al. Radiological cervical spine involvement in patients with rheumatoid arthritis: a cross sectional study. J Rheumatol. 2005;32(5):801\u20136.","journal-title":"J Rheumatol"},{"issue":"5","key":"3055_CR4","first-page":"1178","volume":"27","author":"A Zoli","year":"2000","unstructured":"Zoli A, Priolo F, Galossi A, Altomonte L, Di Gregorio F, Cerase A, et al. Craniocervical junction involvement in rheumatoid arthritis: a clinical and radiological study. J Rheumatol. 2000;27(5):1178\u201382.","journal-title":"J Rheumatol"},{"issue":"12","key":"3055_CR5","doi-asserted-by":"publisher","first-page":"1195","DOI":"10.1016\/j.autrev.2014.08.014","volume":"13","author":"AF Joaquim","year":"2014","unstructured":"Joaquim AF, Appenzeller S. Cervical spine involvement in rheumatoid arthritis\u2014a systematic review. Autoimmun Rev. 2014;13(12):1195\u2013202.","journal-title":"Autoimmun Rev"},{"issue":"7","key":"3055_CR6","first-page":"468","volume":"44","author":"A Aggarwal","year":"1996","unstructured":"Aggarwal A, Kulshreshtha A, Chaturvedi V, Misra R. Cervical spine involvement in rheumatoid arthritis: prevalence and relationship with overall disease severity. J Assoc Physicians India. 1996;44(7):468\u201371.","journal-title":"J Assoc Physicians India"},{"issue":"4","key":"3055_CR7","doi-asserted-by":"publisher","first-page":"281","DOI":"10.3109\/03009742.2012.747625","volume":"42","author":"M Blom","year":"2013","unstructured":"Blom M, Creemers MC, Kievit W, Lemmens JA, van Riel PL. Long-term follow-up of the cervical spine with conventional radiographs in patients with rheumatoid arthritis. Scand J Rheumatol. 2013;42(4):281\u20139.","journal-title":"Scand J Rheumatol"},{"issue":"4","key":"3055_CR8","doi-asserted-by":"publisher","first-page":"361","DOI":"10.1016\/j.jbspin.2008.10.010","volume":"76","author":"M Younes","year":"2009","unstructured":"Younes M, Belghali S, Kri\u00e2a S, Zrour S, Bejia I, Touzi M, et al. Compared imaging of the rheumatoid cervical spine: prevalence study and associated factors. Joint Bone Spine. 2009;76(4):361\u20138.","journal-title":"Joint Bone Spine"},{"issue":"8","key":"3055_CR9","doi-asserted-by":"publisher","first-page":"1626","DOI":"10.3899\/jrheum.091299","volume":"37","author":"R Suppiah","year":"2010","unstructured":"Suppiah R, Doyle A, Rai R, Dalbeth N, Lobo M, Braun J, et al. Quantifying bone marrow edema in the rheumatoid cervical spine using magnetic resonance imaging. J Rheumatol. 2010;37(8):1626\u201332.","journal-title":"J Rheumatol"},{"issue":"4","key":"3055_CR10","doi-asserted-by":"publisher","DOI":"10.3171\/2015.1.FOCUS14664","volume":"38","author":"AF Joaquim","year":"2015","unstructured":"Joaquim AF, Ghizoni E, Tedeschi H, Appenzeller S, Riew KD. Radiological evaluation of cervical spine involvement in rheumatoid arthritis. Neurosurg Focus. 2015;38(4):E4.","journal-title":"Neurosurg Focus"},{"issue":"9","key":"3055_CR11","doi-asserted-by":"publisher","first-page":"1580","DOI":"10.1136\/ard.2010.138461","volume":"69","author":"D Aletaha","year":"2010","unstructured":"Aletaha D, Neogi T, Silman AJ, Funovits J, Felson DT, Bingham CO III, et al. Rheumatoid arthritis classification criteria: an American College of Rheumatology\/European League Against Rheumatism collaborative initiative. Ann Rheum Dis. 2010;69(9):1580\u20138.","journal-title":"Ann Rheum Dis"},{"issue":"Suppl 11","key":"3055_CR12","doi-asserted-by":"publisher","first-page":"S14","DOI":"10.1002\/acr.20621","volume":"63","author":"JK Anderson","year":"2011","unstructured":"Anderson JK, Zimmerman L, Caplan L, Michaud K. Measures of rheumatoid arthritis disease activity: patient (PtGA) and provider (PrGA) global assessment of disease activity, disease activity score (DAS) and disease activity score with 28-joint counts (DAS28), simplified disease activity index (SDAI), clinical disease activity index (CDAI), patient activity score (PAS) and patient activity score-II (PASII), routine assessment of patient index data (RAPID), rheumatoid arthritis disease activity index (RADAI) and rheumatoid arthritis disease activity Index-5 (RADAI-5), chronic arthritis systemic index (CASI), patient-based disease activity score with ESR (PDAS1) and patient-based disease activity score without ESR (PDAS2), and mean overall index for rheumatoid arthritis (MOI-RA). Arthritis Care Res. 2011;63(Suppl 11):S14\u201336.","journal-title":"Arthritis Care Res"},{"issue":"4","key":"3055_CR13","first-page":"471","volume":"32","author":"R Caporali","year":"2014","unstructured":"Caporali R, Conti F, Covelli M, Govoni M, Salaffi F, Ventriglia G, et al. Treating rheumatoid arthritis to target: an Italian rheumatologists' survey on the acceptance of the treat-to-target recommendations. Clin Exp Rheumatol. 2014;32(4):471\u20136.","journal-title":"Clin Exp Rheumatol"},{"issue":"2","key":"3055_CR14","doi-asserted-by":"publisher","first-page":"137","DOI":"10.1002\/art.1780230202","volume":"23","author":"JF Fries","year":"1980","unstructured":"Fries JF, Spitz P, Kraines RG, Holman HR. Measurement of patient outcome in arthritis. Arthritis Rheum. 1980;23(2):137\u201345.","journal-title":"Arthritis Rheum"},{"issue":"2","key":"3055_CR15","first-page":"123","volume":"11","author":"R Ranza","year":"1993","unstructured":"Ranza R, Marchesoni A, Calori G, Bianchi G, Braga M, Canazza S, et al. The Italian version of the functional disability index of the health assessment questionnaire. A reliable instrument for multi center studies on rheumatoid arthritis. Clin Exp Rheumatol. 1993;11(2):123\u20138.","journal-title":"Clin Exp Rheumatol"},{"issue":"3","key":"3055_CR16","doi-asserted-by":"publisher","first-page":"375","DOI":"10.1136\/ard.2007.072785","volume":"67","author":"EM Dias","year":"2008","unstructured":"Dias EM, Lukas C, Landewe R, Fatenejad S, van der Heijde D. Reliability and sensitivity to change of the simple erosion narrowing score compared with the Sharp-van der Heijde method for scoring radiographs in rheumatoid arthritis. Ann Rheum Dis. 2008;67(3):375\u20139.","journal-title":"Ann Rheum Dis"},{"issue":"8646","key":"3055_CR17","doi-asserted-by":"publisher","first-page":"1036","DOI":"10.1016\/S0140-6736(89)92442-2","volume":"1","author":"DM Heijde van der","year":"1989","unstructured":"van der Heijde DM, van Riel PL, Nuver-Zwart IH, Gribnau FW, van de Putte LB. Effects of hydroxychloroquine and sulphasalazine on progression of joint damage in rheumatoid arthritis. Lancet. 1989;1(8646):1036\u20138.","journal-title":"Lancet"},{"issue":"5","key":"3055_CR18","doi-asserted-by":"publisher","first-page":"878","DOI":"10.1093\/rheumatology\/ker418","volume":"51","author":"C Barnabe","year":"2012","unstructured":"Barnabe C, Hazlewood G, Barr S, Martin L. Comparison of radiographic scoring methods in a cohort of RA patients treated with anti-TNF therapy. Rheumatology (Oxford). 2012;51(5):878\u201381.","journal-title":"Rheumatology (Oxford)"},{"issue":"4","key":"3055_CR19","doi-asserted-by":"publisher","first-page":"W421","DOI":"10.2214\/AJR.10.5339","volume":"196","author":"Y Kwong","year":"2011","unstructured":"Kwong Y, Rao N, Latief K. Craniometric measurements in the assessment of craniovertebral settling: are they still relevant in the age of cross-sectional imaging? AJR Am J Roentgenol. 2011;196(4):W421\u20135.","journal-title":"AJR Am J Roentgenol"},{"issue":"4","key":"3055_CR20","doi-asserted-by":"publisher","first-page":"281","DOI":"10.1016\/j.semarthrit.2008.01.005","volume":"38","author":"JA Narv\u00e1ez","year":"2009","unstructured":"Narv\u00e1ez JA, Narv\u00e1ez J, de Albert M, De Lama E, Serrallonga M, Nolla JM. Bone marrow edema in the cervical spine of symptomatic rheumatoid arthritis patients. Semin Arthritis Rheum. 2009;38(4):281\u20138.","journal-title":"Semin Arthritis Rheum"},{"issue":"1","key":"3055_CR21","doi-asserted-by":"publisher","first-page":"181","DOI":"10.2214\/ajr.151.1.181","volume":"151","author":"C Bundschuh","year":"1988","unstructured":"Bundschuh C, Modic MT, Kearney F, Morris R, Deal C. Rheumatoid arthritis of the cervical spine: surface-coil MR imaging. AJR Am J Roentgenol. 1988;151(1):181\u20137.","journal-title":"AJR Am J Roentgenol"},{"issue":"2","key":"3055_CR22","doi-asserted-by":"publisher","first-page":"113","DOI":"10.1007\/s002560050046","volume":"25","author":"M Reijnierse","year":"1996","unstructured":"Reijnierse M, Bloem JL, Dijkmans BA, Kroon HM, Holscher HC, Hansen B, et al. The cervical spine in rheumatoid arthritis: relationship between neurologic signs and morphology of MR imaging and radiographs. Skelet Radiol. 1996;25(2):113\u20138.","journal-title":"Skelet Radiol"},{"issue":"2","key":"3055_CR23","doi-asserted-by":"publisher","first-page":"341","DOI":"10.1136\/ard.43.2.341","volume":"43","author":"N Bogduk","year":"1984","unstructured":"Bogduk N, Major GA, Carter J. Lateral subluxation of the atlas in rheumatoid arthritis: a case report and post-mortem study. Ann Rheum Dis. 1984;43(2):341\u20136.","journal-title":"Ann Rheum Dis"},{"issue":"3","key":"3055_CR24","doi-asserted-by":"publisher","first-page":"329","DOI":"10.1016\/j.spinee.2003.10.006","volume":"4","author":"HV Nguyen","year":"2004","unstructured":"Nguyen HV, Ludwig SC, Silber J, Gelb DE, Anderson PA, Frank L, et al. Rheumatoid arthritis of the cervical spine. Spine J. 2004;4(3):329\u201334.","journal-title":"Spine J"},{"issue":"6","key":"3055_CR25","doi-asserted-by":"publisher","first-page":"526","DOI":"10.1136\/ard.33.6.526","volume":"33","author":"JA Matthews","year":"1974","unstructured":"Matthews JA. Atlanto-axial subluxation in rheumatoid arthritis. A 5-year follow-up study. Ann Rheum Dis. 1974;33(6):526\u201331.","journal-title":"Ann Rheum Dis"},{"issue":"3","key":"3055_CR26","doi-asserted-by":"publisher","first-page":"342","DOI":"10.2106\/00004623-198163030-00003","volume":"63","author":"PM Pellici","year":"1981","unstructured":"Pellici PM, Ranawat CS, Tsairis P, Bryan WJ. A prospective study of the progression of rheumatoid arthritis of the cervical spine. J Bone Joint Surg Am. 1981;63(3):342\u201350.","journal-title":"J Bone Joint Surg Am"},{"issue":"10","key":"3055_CR27","doi-asserted-by":"publisher","first-page":"1054","DOI":"10.1097\/00007632-198910000-00005","volume":"14","author":"NA Rana","year":"1989","unstructured":"Rana NA. Natural history of atlanto-axial subluxation in rheumatoid arthritis. Spine (Phila Pa 1976). 1989;14(10):1054\u20136.","journal-title":"Spine (Phila Pa 1976)"},{"key":"3055_CR28","doi-asserted-by":"publisher","first-page":"98","DOI":"10.1097\/00003086-199909000-00013","volume":"366","author":"SJ Dreyer","year":"1999","unstructured":"Dreyer SJ, Boden SD. Natural history of rheumatoid arthritis of the cervical spine. Clin Orthop Relat Res. 1999;366:98\u2013106.","journal-title":"Clin Orthop Relat Res"},{"issue":"7","key":"3055_CR29","doi-asserted-by":"publisher","first-page":"423","DOI":"10.1038\/nrrheum.2013.40","volume":"9","author":"TD Cha","year":"2013","unstructured":"Cha TD, An HS. Cervical spine manifestations in patients with inflammatory arthritides. Nat Rev Rheumatol. 2013;9(7):423\u201332.","journal-title":"Nat Rev Rheumatol"},{"issue":"3","key":"3055_CR30","doi-asserted-by":"publisher","first-page":"R84","DOI":"10.1186\/ar3355","volume":"13","author":"PE Kosta","year":"2011","unstructured":"Kosta PE, Voulgari PV, Zikou AK, Drosos AA, Argyropoulou MI. The usefulness of magnetic resonance imaging of the hand and wrist in very early rheumatoid arthritis. Arthritis Res Ther. 2011;13(3):R84.","journal-title":"Arthritis Res Ther"},{"issue":"9","key":"3055_CR31","first-page":"1626","volume":"21","author":"F Salaffi","year":"1994","unstructured":"Salaffi F, Ferracioli G, Peroni M, Carotti M, Bartoli E, Cervini C. Progression of erosion and joint space narrowing scores in rheumatoid arthritis assessed by nonlinear models. J Rheumatol. 1994;21(9):1626\u201330.","journal-title":"J Rheumatol"},{"issue":"2","key":"3055_CR32","doi-asserted-by":"publisher","first-page":"122","DOI":"10.1093\/rheumatology\/39.2.122","volume":"39","author":"DL Scott","year":"2000","unstructured":"Scott DL, Pugner K, Kaarela K, Doyle DV, Woolf A, Holmes J, et al. The links between joint damage and disability in rheumatoid arthritis. Rheumatology (Oxford). 2000;39(2):122\u201332.","journal-title":"Rheumatology (Oxford)"},{"issue":"12","key":"3055_CR33","doi-asserted-by":"publisher","first-page":"1055","DOI":"10.1136\/ard.61.12.1055","volume":"61","author":"E Lindqvist","year":"2002","unstructured":"Lindqvist E, Saxne T, Geborek P, Eberhardt K. Ten year outcome in a cohort of patients with early rheumatoid arthritis: health status, disease process, and damage. Ann Rheum Dis. 2002;61(12):1055\u20139.","journal-title":"Ann Rheum Dis"},{"issue":"10","key":"3055_CR34","doi-asserted-by":"publisher","first-page":"1363","DOI":"10.1007\/s00296-010-1437-y","volume":"31","author":"JK Ahn","year":"2011","unstructured":"Ahn JK, Hwang JW, Oh JM, Lee J, Lee YS, Jeon CH, et al. Risk factors for development and progression of atlantoaxial subluxation in Korean patients with rheumatoid arthritis. Rheumatol Int. 2011;31(10):1363\u20138.","journal-title":"Rheumatol Int"},{"issue":"7","key":"3055_CR35","doi-asserted-by":"publisher","first-page":"1808","DOI":"10.1002\/art.11086","volume":"48","author":"MH Neva","year":"2003","unstructured":"Neva MH, Isomaki P, Hannonen P, Kauppi M, Krishnan E, Sokka T. Early and extensive erosiveness in peripheral joints predicts atlantoaxial subluxations in patients with rheumatoid arthritis. Arthritis Rheum. 2003;48(7):1808\u201313.","journal-title":"Arthritis Rheum"},{"issue":"1","key":"3055_CR36","doi-asserted-by":"publisher","first-page":"64","DOI":"10.1002\/art.10747","volume":"48","author":"PG Conaghan","year":"2003","unstructured":"Conaghan PG, O\u2019Connor P, McGonagle D, Astin P, Wakefield RJ, Gibbon WW, et al. Elucidation of the relationship between synovitis and bone damage: a randomized magnetic resonance imaging study of individual joints in patients with early rheumatoid arthritis. Arthritis Rheum. 2003;48(1):64\u201371.","journal-title":"Arthritis Rheum"},{"issue":"7","key":"3055_CR37","doi-asserted-by":"publisher","first-page":"1814","DOI":"10.1002\/art.11162","volume":"48","author":"FM McQueen","year":"2003","unstructured":"McQueen FM, Benton N, Perry D, Crabbe J, Robinson E, Yeoman S, et al. Bone edema scored on magnetic resonance imaging scans of the dominant carpus at presentation predicts radiographic joint damage of the hands and feet six years later in patients with rheumatoid arthritis. Arthritis Rheum. 2003;48(7):1814\u201327.","journal-title":"Arthritis Rheum"},{"issue":"7","key":"3055_CR38","doi-asserted-by":"publisher","first-page":"1111","DOI":"10.1007\/s11547-010-0574-4","volume":"115","author":"N Magarelli","year":"2010","unstructured":"Magarelli N, Simone F, Amelia R, Leone A, Bosello S, D\u2019Antona G, et al. MR imaging of atlantoaxial joint in early RA. Radiol Med. 2010;115(7):1111\u201320.","journal-title":"Radiol Med"},{"key":"3055_CR39","first-page":"2","volume":"12","author":"D Chellapandian","year":"2004","unstructured":"Chellapandian D, Panchapekesa RC, Rukmangatha S, et al. Cervical spine involvement in rheumatoid arthritis and its correlation with disease severity. J Indian Rheumatol Assoc. 2004;12:2\u20135.","journal-title":"J Indian Rheumatol Assoc"},{"issue":"7","key":"3055_CR40","first-page":"1280","volume":"24","author":"L Paimela","year":"1997","unstructured":"Paimela L, Laasonen L, Kankaanp\u00e4\u00e4 E, Leirisalo-Repo M. Progression of cervical spine changes in patients with early rheumatoid arthritis. J Rheumatol. 1997;24(7):1280\u20134.","journal-title":"J Rheumatol"},{"issue":"2","key":"3055_CR41","doi-asserted-by":"publisher","first-page":"141","DOI":"10.1016\/S1297-319X(02)00361-5","volume":"69","author":"A Bouchaud-Chabot","year":"2002","unstructured":"Bouchaud-Chabot A, Liot\u00e8 F. Cervical spine involvement in rheumatoid arthritis. A review. Joint Bone Spine. 2002;69(2):141\u201354.","journal-title":"Joint Bone Spine"},{"issue":"1","key":"3055_CR42","doi-asserted-by":"publisher","first-page":"91","DOI":"10.1016\/j.berh.2004.08.006","volume":"19","author":"M Ostergaard","year":"2005","unstructured":"Ostergaard M, Ejbjerg B, Szkudlarek M. Imaging in early rheumatoid arthritis: roles of magnetic resonance imaging, ultrasonography, conventional radiography and computed tomography. Best Pract Res Clin Rheumatol. 2005;19(1):91\u2013116.","journal-title":"Best Pract Res Clin Rheumatol"},{"issue":"4","key":"3055_CR43","doi-asserted-by":"publisher","first-page":"287","DOI":"10.1055\/s-2004-861576","volume":"8","author":"M Ostergaard","year":"2004","unstructured":"Ostergaard M, Ejbjerg B. Magnetic resonance imaging of the synovium in rheumatoid arthritis. Semin Musculoskelet Radiol. 2004;8(4):287\u201399.","journal-title":"Semin Musculoskelet Radiol"},{"issue":"6","key":"3055_CR44","doi-asserted-by":"publisher","first-page":"738","DOI":"10.1016\/j.semarthrit.2013.12.001","volume":"43","author":"M Grande Del","year":"2014","unstructured":"Del Grande M, Del Grande F, Carrino J, Bingham CO III, Louie GH. Cervical spine involvement early in the course of rheumatoid arthritis. Semin Arthritis Rheum. 2014;43(6):738\u201344.","journal-title":"Semin Arthritis Rheum"}],"container-title":["Skeletal Radiology"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/link.springer.com\/article\/10.1007\/s00256-018-3055-9\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/s00256-018-3055-9.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/s00256-018-3055-9.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2019,9,10]],"date-time":"2019-09-10T19:06:59Z","timestamp":1568142419000},"score":1,"resource":{"primary":{"URL":"http:\/\/link.springer.com\/10.1007\/s00256-018-3055-9"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2018,9,11]]},"references-count":44,"journal-issue":{"issue":"4","published-print":{"date-parts":[[2019,4]]}},"alternative-id":["3055"],"URL":"https:\/\/doi.org\/10.1007\/s00256-018-3055-9","relation":{},"ISSN":["0364-2348","1432-2161"],"issn-type":[{"value":"0364-2348","type":"print"},{"value":"1432-2161","type":"electronic"}],"subject":[],"published":{"date-parts":[[2018,9,11]]},"assertion":[{"value":"25 January 2018","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"16 August 2018","order":2,"name":"revised","label":"Revised","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"27 August 2018","order":3,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"11 September 2018","order":4,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}},{"order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Compliance with ethical standards"}},{"value":"All procedures performed in this study were in accordance with the ethical standards of our institutional research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. Written informed consent was obtained from all individual participants included in the study.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethical approval"}},{"value":"The authors declare that they have no conflict of interest.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Conflict of interest"}}]}}