1. San Antonio Military Medical Center San Antonio TX USA
2. Department of Sociology University of Texas San Antonio San Antonio TX USA
3. West China School of Public Health Sichuan University Chengdu China
4. School of Public Administration Sichuan University Chengdu China
5. University of the Incarnate Word Feik School of Pharmacy San Antonio TX USA
6. Infectious Disease Clinical Research Program Department of Preventive Medicine and Biostatistics Uniformed Services University of Health Sciences Rockville MD USA
7. The Henry M. Jackson Foundation for the Advancement of Military Medicine Bethesda MD USA