Affiliation: | 1. Trauma Intensive Care Unit, Section of Trauma Surgery, Department of Surgery, Hamad General Hospital, , Doha, Qatar;2. Clinical Research, Section of Trauma Surgery, Department of Surgery, Hamad General Hospital, , Doha, Qatar;3. Clinical Medicine, Weill Cornell Medical College, , Doha, Qatar;4. Department of Surgery, Arizona University, , Tucson, Arizona, USA |