1. School of Public Health San Diego State University, the Institute for Behavioral and Community Health, and the SDSU HealthLINK Center San Diego California USA
2. Health and Nutrition Unit Costa Rican Institute for Research and Education on Nutrition and Health (INCIENSA) Cartago Costa Rica
3. Departments of Epidemiology & Population Health and Medicine (Stanford Prevention Research Center) Stanford University School of Medicine Stanford California USA
4. Centre for Public Health Queen's University Belfast, North Ireland Belfast UK
5. Department of Family Medicine and Community Health, Medical School University of Minnesota Minneapolis Minnesota USA