1. Agency for Healthcare Research and Quality, Rockville, MD, USA;
2. Social & Scientific Systems, A DLH Company, Silver Spring, MD, USA;
3. Office of the Assistant Secretary for Planning and Evaluation, US Department of Health and Human Services, Washington, DC, USA;
4. Premier Inc., Charlotte, NC, USA;
5. Division of Health, Retirement, and Long Term Analysis, Congressional Budget Office, Washington, DC, USA;
6. IBM Watson Health, Cambridge, MA, USA