1. University Diabetes Center, College of Medicine, King Saud University, Riyadh, Saudi Arabia
2. Strategic Center for Diabetes Research, King Saud University, Riyadh, Saudi Arabia
3. College of Medicine, King Khalid Universe Hospital, King Saud University, Riyadh Saudi Arabia
4. Registry Department, University Diabetes Center, King Saud University, Riyadh, Saudi Arabia
5. Research Department, University Diabetes Center, King Saud University, Riyadh, Saudi Arabia