1. Trauma Surgery Section, Department of Surgery, Hamad Medical Corporation, P.O. Box 3050, Doha, Qatar
2. Urology Section, Surgery Department, Hamad Medical Corporation, P.O. Box 3050, Doha, Qatar
3. Clinical Research, Trauma Surgery Section, Hamad Medical Corporation, Doha, Qatar
4. Clinical Medicine, Weill Cornell Medical School, P.O. Box 24144, Doha, Qatar