| Clinical Epidemiology Research Center, VA Connecticut Healthcare System, West Haven, CT, USA. |
| College of Medicine, University of Kentucky, Lexington, KY, USA. |
| Cooperative Studies Program (CSP), VA Clinical Epidemiology Research Center (CERC), VA Connecticut Healthcare System, West Haven, CT, USA. |
| Office of the Director, Center for Behavioral Health Statistics and Quality, Substance Abuse and Mental Health Services Administration, Rockville, MD, USA. |
| VA Clinical Epidemiology Research Center (CERC), VA Connecticut Healthcare System, West Haven, CT, USA. |
| Veterans Affairs (VA) Clinical Epidemiology Research Center (CERC), VA Connecticut Healthcare System, West Haven, Connecticut. |