1. Internal Medicine Residency Training Program, Oman Medical Specialty Board, Muscat 130, Oman
2. Department of Medicine, Sultan Qaboos University Hospital, Muscat 123, Oman
3. Department of Pharmacy, Sultan Qaboos University Hospital, Muscat 123, Oman
4. Department of Pharmacology and Clinical Pharmacy, Sultan Qaboos University, Muscat 123, Oman
5. College of Medicine and Health Science, Sultan Qaboos University, Muscat 123, Oman