1. Brooke Army Medical Center, Internal Medicine, JBSA-Fort Sam Houston , Fort Sam Houston, Texas , USA
2. Department of Criminal Justice and Criminology, St. Mary's University , San Antonio, Texas , USA
3. Department of Sociology, University of Texas San Antonio , San Antonio, Texas , USA
4. Department of Public Health, University of Tennessee , Knoxville, Tennessee , USA
5. Infectious Disease Clinical Research Program, Uniformed Services University of the Health Sciences , Bethesda, Maryland , USA
6. The Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc. , Bethesda, Maryland , USA
7. Brooke Army Military Medical Center, Infectious Disease Service, JBSA-Fort Sam Houston , Fort Sam Houston, Texas , USA
8. Division of Infectious Diseases, Walter Reed National Military Medical Center , Bethesda, Maryland , USA