1. Center for Healthcare Organization and Implementation Research, VA Boston Healthcare System, Boston, MA, USA
2. Department of Health Law, Policy & Management, Boston University School of Public Health, Boston, MA, USA
3. Physical Medicine and Rehabilitation Service, Center of Innovation on Disability and Rehabilitation Research, North Florida/South Georgia Veterans Health System, Gainesville, Florida, USA
4. Department of Occupational Therapy, College of Public Health and Health Professions, University of Florida, Gainesville, Florida, USA
5. Center for Arts in Medicine, College of the Arts, University of Florida, Gainesville, Florida, USA
6. Defense and Veterans Brain Injury Center, Silver Spring, Maryland, USA
7. South Texas Veterans Healthcare System, San Antonio, Texas, USA
8. Department of Epidemiology and Biostatistics, University of Texas Health Science Center San Antonio, San Antonio, Texas, USA