1. Faculty of Medicine, Aleppo University, Aleppo, Syria
2. Faculty of Medicine, Jordan University of Science and Technology, Amman, Jordon
3. Faculty of Medicine, Alexandria University, Alexandria, Egypt
4. Department of Internal Medicine, Hamad Medical Corporation, Doha, Qatar
5. Faculty of Medicine, Shendi University, Khartoum, Sudan
6. Department of Obstetrics and Gynecology, Nile Valley University, Khartoum, Sudan
7. Internal Medicine, Michigan State University, East Lansing, Michigan, USA
8. Psychiatry, JLNM Hospital, Rainawari, Srinagar Directorate of Health Services, J&K, India
9. Internal Medicine, Weill Cornell Medical College, Qatar
10. Internal Medicine, NMC Royal Hospital, Khalifa City, Abu Dhabi, UAE
11. Medical Research Division, Department of Internal Medicine, The National Research Centre, Cairo, Egypt