1. Department of Clinical Nutrition, Memorial Hermann Hospital–Texas Medical Center, Houston, Texas, USA
2. Department of Anesthesiology, Department of Neurosurgery, University of Texas McGovern Medical School, Houston, Texas, USA
3. Shock Trauma Center, University of Maryland School of Medicine, Baltimore, Maryland, USA
4. Department of Surgery, University of Texas McGovern Medical School, Houston, Texas, USA
5. Department of Anesthesiology, Baylor College of Medicine, Houston, Texas, USA