1. Faculty of Medicine, King Khalid University, Abha 62529, Saudi Arabia
2. Department of Family Medicine, King Khalid University, Abha 62529, Saudi Arabia
3. Faculty of Medicine, Umm Al Qura University, Makkah 21955, Saudi Arabia
4. College of Medicine, Taibah University, Medina 41477, Saudi Arabia
5. Jeddah Eye Hospital, Ministry of Health, Jeddah 11176, Saudi Arabia
6. Department of Medical-Surgical Nursing, College of Nursing, Princess Nourah Bint Abdulrahman University, Riyadh 11671, Saudi Arabia
7. Tropical Health Department, High Institute of Public Health, Alexandria University, Alexandria 21561, Egypt