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Schootman M, Toor A, Cavazos-Rehg P, Jeffe DB, McQueen A, Eberth J, Davidson NO.Schootman M, et al.BMJ Open. 2015 Jun 8;5(6):e006678. doi: 10.1136/bmjopen-2014-006678.BMJ Open. 2015.PMID: 26056120Free PMC article.