1. Department of Medicine, College of Medicine, King Khalid University, Abha, Saudi Arabia
2. Department of Child Health, College of Medicine, King Khalid University, Abha, Saudi Arabia
3. Department of Paediatric Surgery. Ministry of Health, Abha, Saudi Arabia
4. Medical Student, College of Medicine, King Khalid University, Abha, Saudi Arabia
5. Department of Family and Community Medicine, College of Medicine, King Khalid University, Abha, Saudi Arabia.