1. Department of General Internal Medicine, Brigham and Women’s Hospital, Boston, Massachusetts, USA
2. Harvard Business School, Harvard University, Boston, Massachusetts, USA
3. Division of Clinical Epidemiology, University of Utah, Salt Lake City, Utah, USA
4. Clinical and Quality Analysis, Mass General Brigham, Somerville, Massachusetts, USA
5. Leapfrog Group, Washington DC, USA
6. Harvard Medical School, Boston, Massachusetts, USA