1. Boston University School of Medicine Boston MA USA
2. Indiana University School of Medicine, Indianapolis (IUPUI) Indianapolis IN USA
3. Vanderbilt University School of Medicine Nashville TN USA
4. Indiana University‐Purdue University Indianapolis Indianapolis IN USA
5. VA Connecticut Healthcare System West Haven CT USA
6. Yale University School of Medicine New Haven CT USA
7. VA Pittsburgh Healthcare System Pittsburgh PA USA
8. Weill Cornell Medical College New York NY USA
9. Weill Cornell Medical College Doha Qatar
10. Hamad Medical Corporation Doha Qatar
11. Emory University School of Medicine and Rollins School of Public Health Atlanta VA Medical Center Atlanta GA USA
12. Center for Health Services Research Institute for Health Rutgers University New Brunswick NJ USA
13. Infectious Diseases Section Michael E. DeBakey VAMC Houston TX USA
14. Department of Medicine Baylor College of Medicine Houston TX USA
15. Los Angeles Biomedical Research Institute at Harbor‐University of California, Los Angeles (UCLA) Torrance CA USA
16. Washington DC Veterans Affairs Medical Center and George Washington University School of Medicine and Health Sciences Washington DC USA
17. University of Pittsburgh School of Medicine Pittsburgh PA USA
18. VA North Texas Health Care System Dallas TX USA
19. VA Tennessee Valley Healthcare System Vanderbilt University School of Medicine Nashville TN USA