1. Department of Surgery, Center for Translational Injury Research, University of Texas Health Sciences Center, Houston, Texas.
2. Division of Internal Medicine, MD Anderson Cancer Center, University of Texas, Houston, Texas.
3. Department of Neurobiology and Anatomy, University of Texas Health Sciences Center, Houston, Texas.
4. Department of Pediatric Surgery, University of Texas Health Sciences Center, Houston, Texas.
5. Department of Integrative Biology and Pharmacology, University of Texas Health Sciences Center, Houston, Texas.
6. Institute of Human Virology, University of Maryland, Baltimore, Maryland.