1. Center for Healthcare Organization and Implementation Research (CHOIR), VA Boston Healthcare System, Boston, Massachusetts, USA
2. VA Center for Health Equity Research and Promotion (CHERP), Crescenz VA Medical Center, Philadelphia, Pennsylvania, USA
3. Pain Research, Informatics, Multimorbidities and Education (PRIME) Center, VA Connecticut Healthcare System, West Haven, Connecticut USA
4. Albany Medical College Albany, New York, USA
5. VA Palo Alto Healthcare System, Palo Alto, California, USA
6. National Center for PTSD, VA Boston Healthcare System, Boston, Massachusetts, USA