1. Calcium Metabolism and Osteoporosis ProgramWHO Collaborating Center for Metabolic Bone Disorders at the American University of Beirut‐Medical Center Beirut Lebanon
2. Ministry of Public Health Beirut Lebanon
3. Higher Institute of Public HealthSt. Jospeh University of Beirut Beirut Lebanon
4. Institute for Global Health and DevelopmentQueen Margaret University ‐ Edinburgh Musselburgh East Lothian UK