1. Department of Internal Medicine Sana'a University Medical School Sana'a Yemen
2. Department of Diabetes Sana'a Diabetes Center Sana'a Yemen
3. Department of Epidemiology Graduate School of Public Health, University of Pittsburgh Pittsburgh Pennsylvania USA
4. International Organization for Migration Sana'a Yemen
5. Department of Pediatrics Sana'a University Medical School Sana'a Yemen
6. International Child Health Yemen Field Epidemiology Training Program (YFETP) Yemen Ministry of Public Health and population Sana'a Yemen
7. Central Statistics Organization (CSO), Yemen Sana'a Yemen
8. National Population Council Sana'a Yemen