1. From the Department of Quantitative Health Sciences, University of Massachusetts, Worcester, MA (M.R., M.A., J.E.W.); the Department of Psychosomatic Medicine, Charité–University Medicine, Berlin, Germany (M.R.); Department of Psychosomatic Medicine, University Medical Center Hamburg-Eppendorf and Schö n Klinik Hamburg-Eilbek, Hamburg, Germany (M.R., B.L.); the Department of Family and Social Medicine, Albert Einstein College of Medicine, Bronx, NY (J.F., A.E.B.); 3i QualityMetric, Lincoln, RI (J.B....