1. Department of Medicine, College of Medicine, King Khalid University, Abha 62529, Saudi Arabia
2. Department of Child Health, College of Medicine, King Khalid University, Abha 62529, Saudi Arabia
3. Family and Community Medicine Department, College of Medicine, King Khalid University, Abha 62529, Saudi Arabia
4. College of Medicine, King Khalid University, Abha 62529, Saudi Arabia