1. From the Departments of Epidemiology (GF-M, AN-A, and EG) and Environmental Health Sciences (AN-A), Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD; the Welch Center for Prevention, Epidemiology and Clinical Research, Johns Hopkins Medical Institutions, Baltimore, MD (GF-M, AN-A, and EG); the Department of Preventive Medicine, Bellvitge University Hospital, L’Hospitalet