1. Center for Healthcare Organization and Implementation Research, VA Bedford Healthcare System, Bedford, MA, USA.
2. The Heller School for Social Policy and Management, Brandeis University, Waltham, MA, USA.
3. Center for Healthcare Organization and Implementation Research, VA Boston Healthcare System, Boston, MA, USA.
4. Health Law, Policy, and Management Department, Boston University School of Public Health, Boston, MA, USA.
5. Division of Preventive and Behavioral Medicine, Department of Population and Quantitative Health Sciences, University of Massachusetts Chan Medical School, Worcester, MA, USA.