1. RAND Corporation Arlington Virginia USA
2. RAND Corporation Boston Massachusetts USA
3. Patient Reported Outcomes Value and Experience (PROVE) Center, Department of Surgery Brigham and Women's Hospital. Boston Massachusetts USA
4. Pain Management, Opioid Safety, and PDMP Program Office Veterans Health Administration. Washington District of Columbia USA
5. RAND Corporation Santa Monica California USA
6. UCLA Fielding School of Public Health Los Angeles California USA
7. NORC at the University of Chicago Chicago Illinois USA
8. Leonard D. Schaeffer Center for Health Policy & Economics, Sol Price School of Public Policy University of Southern California. Los Angeles California USA
9. Division of Health Care Financing Office of Health Policy in the Office of the Assistant Secretary for Planning and Evaluation, Department of Health and Human Services Washington District of Columbia USA
10. Abt Associates Cambridge Massachusetts USA
11. JH Borun Center for Gerontological Research University of California Los Angeles. Los Angeles California USA
12. VA GLAHS, GRECC and HSR&D Center of Innovation Los Angeles California USA