Affiliation: | 1 Arbor Research Collaborative for Health, Ann Arbor, MI;2 Department of Epidemiology, University of Michigan School of Public Health, Ann Arbor, MI;3 Layperonie University Hospital, Montpellier, France;4 Ospedale A. Manzoni, Lecco, Italy;5 Department of Biostatistics, University of Michigan School of Public Health, Ann Arbor, MI |