1. Department of Family Medicine and Community Health Perelman School of Medicine at the University of Pennsylvania Philadelphia Pennsylvania USA
2. Department of Surgery, Division of Public Health Sciences Washington University in St. Louis St. Louis Missouri USA
3. Division of Community Health Sciences, School of Public Health University of Illinois Chicago Chicago Illinois USA
4. Division of Behavioral Medicine, Herbert Wertheim School of Public Health & Human Longevity Science University of California San Diego La Jolla California USA
5. Department of Pediatrics University of Alabama at Birmingham School of Medicine Birmingham Alabama USA
6. Department of Family and Community Health University of Pennsylvania School of Nursing Philadelphia Pennsylvania USA
7. Division of Urology Perelman School of Medicine at the University of Pennsylvania Philadelphia Pennsylvania USA
8. Department of Public Health Sciences University of Connecticut School of Medicine Farmington Connecticut USA