1 Department of Health Policy, Vanderbilt University Medical Center, 2525 West End Ave., Suite 1200, Nashville, TN, 37203, USA; Partnered Evidence-Based Policy Resource Center, VA Boston Healthcare System, Bldg. 9, 150 S. Huntington Ave., Boston, MA, 02130, USA. Electronic address: kevin.griffith@vumc.org.
2 Partnered Evidence-Based Policy Resource Center, VA Boston Healthcare System, Bldg. 9, 150 S. Huntington Ave., Boston, MA, 02130, USA; Department of Health Law, Policy & Management, Boston University School of Public Health, 715 Albany Street, Boston, MA, 02118, USA.
3 Department of Health Law, Policy & Management, Boston University School of Public Health, 715 Albany Street, Boston, MA, 02118, USA.