1. Department of Internal Medicine, Oman Medical Specialty Board, Muscat, Oman
2. Department of Nephrology, Sultan Qaboos University Hospital, Muscat, Oman
3. Department of Anesthesia and Intensive Care Unit, Sultan Qaboos University Hospital, Muscat, Oman
4. Department of Cardiology, Sultan Qaboos University Hospital, Muscat, Oman