1. Department of Internal Medicine, Intensive Care Unit, Hamad General Hospital, Hamad Medical Corporation, Doha, Qatar
2. Department of Clinical Medicine, Weill Cornell Medicine, Doha, Qatar
3. Department of Endocrinology, Hamad General Hospital, Hamad Medical Corporation, Doha, Qatar
4. Department of Surgery, Clinical Research, Hamad General Hospital, Hamad Medical Corporation, Doha, Qatar