1. Institute of Behavioral Research, Texas Christian University , Fort Worth
2. Division of Infectious Diseases and Geographic Medicine, Department of Internal Medicine, University of Texas Southwestern
3. Parkland Health , Dallas
4. Center for Health Promotion and Prevention Research, School of Public Health, The University of Texas Health Science Center at Houston
5. Viral Oncology Section, AIDS and Cancer Virus Program, Leidos Biomedical Inc, Frederick National Laboratory for Cancer Research , Maryland
6. Center for Infectious Diseases, School of Public Health, The University of Texas Health Science Center at Houston
7. Division of Cancer Prevention, Department of Epidemiology, University of Texas MD Anderson Cancer Center , Houston