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Chen X, Stein TP, Steer RA, Scholl TO.Chen X, et al. Among authors: steer ra.BMJ Open Diabetes Res Care. 2019 May 16;7(1):e000632. doi: 10.1136/bmjdrc-2018-000632. eCollection 2019.BMJ Open Diabetes Res Care. 2019.PMID: 31245005Free PMC article.