1. Department of Molecular Virology and Microbiology, Baylor College of Medicine, Houston, Texas;
2. Department of Pediatric Surgery, University of Texas Medical School at Houston, Houston, Texas;
3. Department of Integrative Biology and Pharmacology, University of Texas Medical School at Houston, Houston, Texas;
4. Department of Molecular Physiology and Biophysics, Baylor College of Medicine, Houston, Texas;
5. Department of Microbiology and Immunology, Sophie Davis School of Biomedical Education, New York, New York;
6. Department of Molecular Cell Biology, Vrije Universiteit, Amsterdam, The Netherlands; and
7. Michael E. DeBakey Veterans Affairs Hospital, Houston, Texas