| Affiliation: | 1. Department of Epidemiology, Center for Aging and Population Health, Graduate School of Public Health, University of Pittsburgh, , Pittsburgh, Pennsylvania;2. Department of Family Medicine and Community Health, Alpert Medical School, Brown University, Memorial Hospital of Rhode Island, , Pawtucket, Rhode Island;3. Department of Epidemiology, College of Public Health, University of Iowa, , Iowa City, Iowa;4. Kaiser Permanente Center for Health Research, , Portland, Oregon;5. School of Medicine, Stanford University, , Stanford, California;6. University of Massachusetts Medical School, , Worcester, Massachusetts;7. School of Medicine, University of Hawaii, , Manoa, Hawaii;8. Department of Epidemiology and Biostatistics, School of Public Health, Drexel University, , Philadelphia, Pennsylvania |
