1. Faculty of Medicine, Alexandria University, Alexandria 21544, Egypt
2. Kuwait Institute for Medical Specializations, Kuwait City 12050, Kuwait
3. Department of Hemto-Oncology, Royal Medical Services, Amman 11855, Jordan
4. Department of General Surgery, Ministry of Health, Kuwait City 12009, Kuwait
5. Department of Family Medicine, Almagrah Primary Health Care, Ministry of Health, Makkah 11176, Saudi Arabia
6. King Abdullah Medical City, Makkah 57657, Saudi Arabia
7. Senior Registerar Family Medicine, Internal Medicine Department, Security Forces Hospital Program, Makkah 14799, Saudi Arabia
8. College of Medicine, Umm Alqura University, Makkah 57483, Saudi Arabia