| Affiliation: | 1. Department of Epidemiology, University of Pittsburgh, , Pittsburgh, Pennsylvania, USA;2. School of Medicine, Oregon Health and Science University, , Portland, Oregon, USA;3. Division of Epidemiology, Department of Family and Preventive Medicine, University of California San Diego, , La Jolla, California, USA;4. Stanford Prevention Research Center, Department of Medicine, School of Medicine, Stanford University, , Palo Alto, California, USA;5. Division of Preventive Medicine, University of Alabama at Birmingham, , Birmingham, Alabama, USA |
