1. Department of Veterinary Sciences, The University of Texas MD Anderson Cancer Center, Bastrop, Texas;
2. Department of Pediatrics, Louisiana State University Health Sciences Center, Shreveport, Louisiana;
3. Department of Microbiology and Immunology, Institute for Human Infections and Immunity, University of Texas Medical Branch, Galveston, Texas
4. Department of Pathology and Center for Biodefense and Emerging Infectious Diseases, University of Texas Medical Branch, Galveston, Texas;
5. Department of Obstetrics and Gynecology, Baylor Scott and White Clinic, Temple, Texas;