1. Department of Prevention and Community Health, Milken Institute School of Public Health, George Washington University, Washington, DC, USA
2. George Washington Cancer Center, George Washington University, Washington, DC, USA
3. Department of Population Health Sciences, School of Public Health, Georgia State University, Atlanta, GA, USA
4. Braun School of Public Health and Community Medicine, Faculty of Medicine, The Hebrew University of Jerusalem - Hadassah Medical Center, Jerusalem, Israel