1. Pacific Institute for Research and Evaluation, Louisville Center, Louisville, KY, USA.
2. Center for Healthcare Organization and Implementation Research (CHOIR), ENRM VA Medical Center, Bedford, MA, USA.
3. Department of Global Health and Policy & Management, Boston University School of Public Health (BUSPH), Boston, MA, USA.
4. Department of Health Law, Policy & Management, Boston University School of Public Health (BUSPH), Boston, MA, USA.