1. Department of Health Policy Harvard Medical School Boston Massachusetts USA
2. Department of Health Policy & Management Harvard T.H. Chan School of Public Health Boston Massachusetts USA
3. Department of Management Policy & Community Health, University of Texas School of Public Health Houston Texas USA
4. Stanford University School of Medicine Stanford California USA
5. Department of Socio‐Medical Sciences School of Health Policy and Management, Erasmus University Rotterdam Rotterdam The Netherlands
6. RAND Corporation Santa Monica California USA
7. Harvard Business School Boston Massachusetts USA
8. Center for Primary Care Harvard Medical School Boston Massachusetts USA