{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,18]],"date-time":"2026-06-18T20:11:36Z","timestamp":1781813496004,"version":"3.54.5"},"reference-count":43,"publisher":"Elsevier BV","issue":"4","license":[{"start":{"date-parts":[[2022,10,1]],"date-time":"2022-10-01T00:00:00Z","timestamp":1664582400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2022,10,1]],"date-time":"2022-10-01T00:00:00Z","timestamp":1664582400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"},{"start":{"date-parts":[[2023,10,6]],"date-time":"2023-10-06T00:00:00Z","timestamp":1696550400000},"content-version":"am","delay-in-days":370,"URL":"http:\/\/www.elsevier.com\/open-access\/userlicense\/1.0\/"}],"funder":[{"DOI":"10.13039\/100019040","name":"Respicardia","doi-asserted-by":"publisher","award":["K24 HL155813"],"award-info":[{"award-number":["K24 HL155813"]}],"id":[{"id":"10.13039\/100019040","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100019040","name":"Respicardia","doi-asserted-by":"publisher","award":["R01 HL126637"],"award-info":[{"award-number":["R01 HL126637"]}],"id":[{"id":"10.13039\/100019040","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100019040","name":"Respicardia","doi-asserted-by":"publisher","award":["R01 HL141288"],"award-info":[{"award-number":["R01 HL141288"]}],"id":[{"id":"10.13039\/100019040","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100019040","name":"Respicardia","doi-asserted-by":"publisher","award":["R01 HL158022"],"award-info":[{"award-number":["R01 HL158022"]}],"id":[{"id":"10.13039\/100019040","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100019040","name":"Respicardia","doi-asserted-by":"publisher","award":["RF1 NS127266"],"award-info":[{"award-number":["RF1 NS127266"]}],"id":[{"id":"10.13039\/100019040","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100004325","name":"AstraZeneca","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100004325","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100004330","name":"GlaxoSmithKline","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100004330","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000002","name":"National Institutes of Health","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100000002","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100004336","name":"Novartis","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100004336","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000016","name":"U.S. Department of Health and Human Services","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100000016","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100005564","name":"Gilead Sciences","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100005564","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100005646","name":"Actelion Pharmaceuticals","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100005646","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100002429","name":"Amgen","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100002429","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000050","name":"National Heart, Lung, and Blood Institute","doi-asserted-by":"publisher","award":["HHSN268201700003I"],"award-info":[{"award-number":["HHSN268201700003I"]}],"id":[{"id":"10.13039\/100000050","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","journal.chestnet.org","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Chest"],"published-print":{"date-parts":[[2022,10]]},"DOI":"10.1016\/j.chest.2022.05.004","type":"journal-article","created":{"date-parts":[[2022,5,11]],"date-time":"2022-05-11T03:03:32Z","timestamp":1652238212000},"page":"884-893","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":14,"title":["Association of Right Ventricular Afterload With Atrial Fibrillation Risk in Older Adults"],"prefix":"10.1016","volume":"162","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6087-0583","authenticated-orcid":false,"given":"Romil R.","family":"Parikh","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Faye L.","family":"Norby","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6025-0173","authenticated-orcid":false,"given":"Wendy","family":"Wang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Thenappan","family":"Thenappan","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0364-6742","authenticated-orcid":false,"given":"Kurt W.","family":"Prins","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jeremy R.","family":"Van\u2019t Hof","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pamela L.","family":"Lutsey","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Scott D.","family":"Solomon","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Amil M.","family":"Shah","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lin Yee","family":"Chen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"issue":"2","key":"10.1016\/j.chest.2022.05.004_bib1","doi-asserted-by":"crossref","first-page":"217","DOI":"10.1177\/1747493019897870","article-title":"Global epidemiology of atrial fibrillation: an increasing epidemic and public health challenge","volume":"16","author":"Lippi","year":"2021","journal-title":"Int J Stroke"},{"issue":"9","key":"10.1016\/j.chest.2022.05.004_bib2","doi-asserted-by":"crossref","first-page":"e139","DOI":"10.1161\/CIR.0000000000000757","article-title":"Heart disease and stroke statistics\u20142020 update: a report from the American heart association","volume":"141","author":"Virani","year":"2020","journal-title":"Circulation"},{"issue":"18","key":"10.1016\/j.chest.2022.05.004_bib3","doi-asserted-by":"crossref","first-page":"2041","DOI":"10.1016\/j.jacc.2018.03.019","article-title":"Arrhythmias in patients\u00a0\u226580 years of age: pathophysiology, management, and outcomes","volume":"71","author":"Curtis","year":"2018","journal-title":"J\u00a0Am Coll Cardiol"},{"key":"10.1016\/j.chest.2022.05.004_bib4","doi-asserted-by":"crossref","first-page":"109","DOI":"10.1016\/j.jacc.2004.03.044","article-title":"Electrophysiologic and electroanatomic changes in the human atrium associated with age","volume":"44","author":"Kistler","year":"2004","journal-title":"J\u00a0Am Coll Cardiol"},{"issue":"20","key":"10.1016\/j.chest.2022.05.004_bib5","doi-asserted-by":"crossref","first-page":"2663","DOI":"10.1161\/CIRCULATIONAHA.108.838698","article-title":"Age-associated increases in pulmonary artery systolic pressure in the general population","volume":"119","author":"Lam","year":"2009","journal-title":"Circulation"},{"issue":"10","key":"10.1016\/j.chest.2022.05.004_bib6","doi-asserted-by":"crossref","DOI":"10.1371\/journal.pmed.1003361","article-title":"Pulmonary vascular dysfunction among people aged over 65 years in the community in the Atherosclerosis Risk In Communities (ARIC) Study: a cross-sectional analysis","volume":"17","author":"Teramoto","year":"2020","journal-title":"PLoS Med"},{"issue":"3","key":"10.1016\/j.chest.2022.05.004_bib7","doi-asserted-by":"crossref","first-page":"328","DOI":"10.1111\/j.1540-8167.1999.tb00679.x","article-title":"Right atrial focal atrial fibrillation: electrophysiologic characteristics and radiofrequency catheter ablation","volume":"10","author":"Chen","year":"1999","journal-title":"J\u00a0Cardiovasc Electrophysiol"},{"issue":"6","key":"10.1016\/j.chest.2022.05.004_bib8","first-page":"1085","article-title":"Putative role of right atrial ablation in atrial fibrillation","volume":"6","author":"Burnett","year":"2014","journal-title":"J\u00a0Atr Fibrillation"},{"issue":"1","key":"10.1016\/j.chest.2022.05.004_bib9","doi-asserted-by":"crossref","first-page":"6","DOI":"10.1161\/CIRCEP.107.748780","article-title":"Randomized evaluation of right atrial ablation after left atrial ablation of complex fractionated atrial electrograms for long-lasting persistent atrial fibrillation","volume":"1","author":"Oral","year":"2008","journal-title":"Circ Arrhythm Electrophysiol"},{"issue":"5","key":"10.1016\/j.chest.2022.05.004_bib10","doi-asserted-by":"crossref","first-page":"524","DOI":"10.1161\/CIRCIMAGING.110.962761","article-title":"Association between left and right atrial remodeling with atrial fibrillation recurrence after pulmonary vein catheter ablation in patients with paroxysmal atrial fibrillation: a pilot study","volume":"4","author":"Akutsu","year":"2011","journal-title":"Circ Cardiovasc Imaging"},{"issue":"1","key":"10.1016\/j.chest.2022.05.004_bib11","doi-asserted-by":"crossref","first-page":"43","DOI":"10.15420\/aer.2018.3.2","article-title":"Atrial arrhythmias in pulmonary hypertension: pathogenesis, prognosis and management","volume":"7","author":"Wanamaker","year":"2018","journal-title":"Arrhythm Electrophysiol Rev"},{"issue":"12","key":"10.1016\/j.chest.2022.05.004_bib12","doi-asserted-by":"crossref","first-page":"1692","DOI":"10.1161\/CIRCULATIONAHA.104.512731","article-title":"Electrophysiological characteristics and catheter ablation in patients with paroxysmal right atrial fibrillation","volume":"112","author":"Lin","year":"2005","journal-title":"Circulation"},{"issue":"23","key":"10.1016\/j.chest.2022.05.004_bib13","doi-asserted-by":"crossref","first-page":"2939","DOI":"10.1016\/j.jacc.2021.04.035","article-title":"The ARIC (Atherosclerosis Risk In Communities) study: JACC Focus Seminar 3\/8","volume":"77","author":"Wright","year":"2021","journal-title":"J\u00a0Am Coll Cardiol"},{"issue":"1","key":"10.1016\/j.chest.2022.05.004_bib14","doi-asserted-by":"crossref","first-page":"173","DOI":"10.1161\/CIRCIMAGING.113.000736","article-title":"Rationale and design of a multicenter echocardiographic study to assess the relationship between cardiac structure and function and heart failure risk in a biracial cohort of community-dwelling elderly persons: the Atherosclerosis Risk in Communities study","volume":"7","author":"Shah","year":"2014","journal-title":"Circ Cardiovasc Imaging"},{"issue":"5","key":"10.1016\/j.chest.2022.05.004_bib15","doi-asserted-by":"crossref","first-page":"426","DOI":"10.1161\/CIRCULATIONAHA.116.024825","article-title":"Contemporary assessment of left ventricular diastolic function in older adults: the Atherosclerosis Risk in Communities Study","volume":"135","author":"Shah","year":"2017","journal-title":"Circulation"},{"issue":"10","key":"10.1016\/j.chest.2022.05.004_bib16","doi-asserted-by":"crossref","first-page":"1170","DOI":"10.1016\/j.echo.2013.06.003","article-title":"Noninvasive assessment of pulmonary vascular resistance by Doppler echocardiography","volume":"26","author":"Abbas","year":"2013","journal-title":"J\u00a0Am Soc Echocardiogr"},{"issue":"6","key":"10.1016\/j.chest.2022.05.004_bib17","doi-asserted-by":"crossref","first-page":"873","DOI":"10.1016\/j.amjcard.2013.05.016","article-title":"A\u00a0simple echocardiographic method to estimate pulmonary vascular resistance","volume":"112","author":"Opotowsky","year":"2013","journal-title":"Am J Cardiol"},{"key":"10.1016\/j.chest.2022.05.004_bib18","doi-asserted-by":"crossref","first-page":"111","DOI":"10.1016\/j.ahj.2009.05.010","article-title":"Incidence of atrial fibrillation in whites and African-Americans: the Atherosclerosis Risk in Communities (ARIC) study","volume":"158","author":"Alonso","year":"2009","journal-title":"Am Heart J"},{"issue":"2","key":"10.1016\/j.chest.2022.05.004_bib19","doi-asserted-by":"crossref","first-page":"265","DOI":"10.1111\/j.2044-8317.1992.tb00992.x","article-title":"Backward, forward and stepwise automated subset selection algorithms: frequency of obtaining authentic and noise variables","volume":"45","author":"Derksen","year":"1992","journal-title":"British Journal of Mathematical and Statistical Psychology"},{"key":"10.1016\/j.chest.2022.05.004_bib20","doi-asserted-by":"crossref","first-page":"861","DOI":"10.1161\/CIRCULATIONAHA.118.034646","article-title":"A\u00a0simple, evidence-based approach to help guide diagnosis of heart failure with preserved ejection fraction","volume":"138","author":"Reddy","year":"2018","journal-title":"Circulation"},{"issue":"5","key":"10.1016\/j.chest.2022.05.004_bib21","doi-asserted-by":"crossref","first-page":"1018","DOI":"10.1016\/j.jacc.2005.08.077","article-title":"Prediction of cardiovascular outcomes with left atrial size: is volume superior to area or diameter?","volume":"47","author":"Tsang","year":"2006","journal-title":"J\u00a0Am Coll Cardiol"},{"issue":"3","key":"10.1016\/j.chest.2022.05.004_bib22","doi-asserted-by":"crossref","first-page":"278","DOI":"10.1177\/0962280210395740","article-title":"Review of inverse probability weighting for dealing with missing data","volume":"22","author":"Seaman","year":"2013","journal-title":"Stat Methods Med Res"},{"key":"10.1016\/j.chest.2022.05.004_bib23","doi-asserted-by":"crossref","first-page":"377","DOI":"10.1002\/sim.4067","article-title":"Multiple imputation using chained equations: issues and guidance for practice","volume":"30","author":"White","year":"2011","journal-title":"Stat Med"},{"issue":"1","key":"10.1016\/j.chest.2022.05.004_bib24","doi-asserted-by":"crossref","first-page":"36","DOI":"10.1186\/s12968-020-00631-1","article-title":"Association of right atrial structure with incident atrial fibrillation: a longitudinal cohort cardiovascular magnetic resonance study from the Multi-Ethnic Study of Atherosclerosis (MESA)","volume":"22","author":"Xie","year":"2020","journal-title":"J\u00a0Cardiovasc Magn Reson"},{"key":"10.1016\/j.chest.2022.05.004_bib25","series-title":"Cardiovascular Physiology","first-page":"155","article-title":"The peripheral circulation and its control. Chapter 9","author":"Pappano","year":"2019"},{"key":"10.1016\/j.chest.2022.05.004_bib26","doi-asserted-by":"crossref","first-page":"335","DOI":"10.1136\/thx.33.3.335","article-title":"Structural basis for the changing physical properties of human pulmonary vessels with age","volume":"33","author":"Mackay","year":"1978","journal-title":"Thorax"},{"key":"10.1016\/j.chest.2022.05.004_bib27","doi-asserted-by":"crossref","first-page":"631","DOI":"10.1152\/jappl.1967.23.5.631","article-title":"Pulmonary circulation in the aged","volume":"23","author":"Emirgil","year":"1967","journal-title":"J\u00a0Appl Physiol"},{"issue":"3","key":"10.1016\/j.chest.2022.05.004_bib28","doi-asserted-by":"crossref","first-page":"807","DOI":"10.1183\/09031936.00186914","article-title":"Hallmarks of the ageing lung","volume":"45","author":"Meiners","year":"2015","journal-title":"Eur Respir J"},{"issue":"1","key":"10.1016\/j.chest.2022.05.004_bib29","doi-asserted-by":"crossref","DOI":"10.1177\/2045894020910685","article-title":"Atrial arrhythmias in chronic lung disease-associated pulmonary hypertension","volume":"10","author":"Vahdatpour","year":"2020","journal-title":"Pulm Circ"},{"issue":"6","key":"10.1016\/j.chest.2022.05.004_bib30","doi-asserted-by":"crossref","first-page":"1012","DOI":"10.1183\/09031936.03.00051502","article-title":"Reduced lung function and risk of atrial fibrillation in the Copenhagen City Heart Study","volume":"21","author":"Buch","year":"2003","journal-title":"Eur Respir J"},{"issue":"9","key":"10.1016\/j.chest.2022.05.004_bib31","doi-asserted-by":"crossref","first-page":"971","DOI":"10.1161\/CIRCULATIONAHA.113.004050","article-title":"Airflow obstruction, lung function, and incidence of atrial fibrillation: the Atherosclerosis Risk in Communities (ARIC) study","volume":"129","author":"Li","year":"2014","journal-title":"Circulation"},{"issue":"12","key":"10.1016\/j.chest.2022.05.004_bib32","doi-asserted-by":"crossref","first-page":"1777","DOI":"10.1093\/europace\/eut158","article-title":"Prevalence and electrophysiological characteristics of typical atrial flutter in patients with atrial fibrillation and chronic obstructive pulmonary disease","volume":"15","author":"Hayashi","year":"2013","journal-title":"Europace"},{"issue":"6","key":"10.1016\/j.chest.2022.05.004_bib33","doi-asserted-by":"crossref","first-page":"815","DOI":"10.1161\/CIRCEP.110.960435","article-title":"Catheter ablation of atrial fibrillation in patients with chronic lung disease","volume":"4","author":"Roh","year":"2011","journal-title":"Circ Arrhythm Electrophysiol"},{"issue":"4","key":"10.1016\/j.chest.2022.05.004_bib34","article-title":"Obstructive sleep apnea and pulmonary hypertension: a review of literature","volume":"13","author":"Shah","year":"2021","journal-title":"Cureus"},{"issue":"1","key":"10.1016\/j.chest.2022.05.004_bib35","doi-asserted-by":"crossref","DOI":"10.1183\/13993003.01913-2018","article-title":"Haemodynamic definitions and updated clinical classification of pulmonary hypertension","volume":"53","author":"Simonneau","year":"2019","journal-title":"Eur Respir J"},{"issue":"5","key":"10.1016\/j.chest.2022.05.004_bib36","doi-asserted-by":"crossref","first-page":"2789","DOI":"10.21037\/jtd.2018.04.92","article-title":"The correlation of pulmonary arterial hypertension with late recurrence of paroxysmal atrial fibrillation after catheter ablation","volume":"10","author":"Zhang","year":"2018","journal-title":"J\u00a0Thorac Dis"},{"issue":"4","key":"10.1016\/j.chest.2022.05.004_bib37","doi-asserted-by":"crossref","first-page":"277","DOI":"10.1016\/j.echo.2016.01.011","article-title":"Recommendations for the evaluation of left ventricular diastolic function by echocardiography: an update from the American Society of Echocardiography and the European Association of Cardiovascular Imaging","volume":"29","author":"Nagueh","year":"2016","journal-title":"J\u00a0Am Soc Echocardiogr"},{"issue":"9","key":"10.1016\/j.chest.2022.05.004_bib38","first-page":"1031","article-title":"Echocardiographic reference ranges for normal cardiac Doppler data: results from the NORRE Study","volume":"16","author":"Caballero","year":"2015","journal-title":"Eur Heart J Cardiovasc Imaging"},{"issue":"10","key":"10.1016\/j.chest.2022.05.004_bib39","doi-asserted-by":"crossref","first-page":"1223","DOI":"10.1016\/j.echo.2020.06.008","article-title":"Left ventricular diastolic function in healthy adult individuals: results of the World Alliance Societies of Echocardiography Normal Values study","volume":"33","author":"Miyoshi","year":"2020","journal-title":"J\u00a0Am Soc Echocardiogr"},{"issue":"1","key":"10.1016\/j.chest.2022.05.004_bib40","doi-asserted-by":"crossref","first-page":"67","DOI":"10.1093\/eurheartj\/ehv317","volume":"37","author":"Gali\u00e8","year":"2016","journal-title":"Eur Heart J"},{"issue":"11","key":"10.1016\/j.chest.2022.05.004_bib41","doi-asserted-by":"crossref","DOI":"10.1161\/CIRCIMAGING.115.003521","article-title":"Right atrial function in pulmonary arterial hypertension","volume":"8","author":"Querejeta Roca","year":"2015","journal-title":"Circ Cardiovasc Imaging"},{"issue":"11","key":"10.1016\/j.chest.2022.05.004_bib42","doi-asserted-by":"crossref","first-page":"1334","DOI":"10.1016\/j.echo.2020.05.020","article-title":"Global right heart assessment with speckle-tracking imaging improves the risk prediction of a validated scoring system in pulmonary arterial hypertension","volume":"33","author":"Stolfo","year":"2020","journal-title":"J\u00a0Am Soc Echocardiogr"},{"issue":"8","key":"10.1016\/j.chest.2022.05.004_bib43","doi-asserted-by":"crossref","first-page":"1006","DOI":"10.1016\/j.echo.2020.02.015","article-title":"Right atrial conduit phase emptying predicts risk of adverse events in pediatric pulmonary arterial hypertension","volume":"33","author":"Frank","year":"2020","journal-title":"J\u00a0Am Soc Echocardiogr"}],"container-title":["Chest"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0012369222008996?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0012369222008996?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,11,2]],"date-time":"2025-11-02T23:03:57Z","timestamp":1762124637000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0012369222008996"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2022,10]]},"references-count":43,"journal-issue":{"issue":"4","published-print":{"date-parts":[[2022,10]]}},"alternative-id":["S0012369222008996"],"URL":"https:\/\/doi.org\/10.1016\/j.chest.2022.05.004","relation":{},"ISSN":["0012-3692"],"issn-type":[{"value":"0012-3692","type":"print"}],"subject":[],"published":{"date-parts":[[2022,10]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Association of Right Ventricular Afterload With Atrial Fibrillation Risk in Older Adults","name":"articletitle","label":"Article Title"},{"value":"Chest","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.chest.2022.05.004","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"Published by Elsevier Inc. under license from the American College of Chest Physicians.","name":"copyright","label":"Copyright"}]}}