1. Department of Prevention and Community Health, Milken Institute School of Public Health, George Washington University , Washington, DC , USA
2. Braun School of Public Health and Community Medicine, Faculty of Medicine, Hebrew University of Jerusalem and Hadassah Medical Center , Jerusalem , Israel
3. Department of Pediatrics, College of Medicine, University of Oklahoma Health Sciences Center , Oklahoma City, OK , USA
4. TSET Health Promotion Research Center, Stephenson Cancer Center, Univeristy of Oklahoma Health Sciences Center , Oklahoma City, OK , USA
5. George Washington Cancer Center, George Washington University , Washington, DC , USA
6. Wellesley College , Wellesley, M A , USA