1. Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA.
2. Sloan School of Management, Massachusetts Institute of Technology, Cambridge, MA, USA.
3. Veterans Affairs and Stanford University Medical Centers, Palo Alto, CA, USA.
4. Harvard Business School, Boston, MA, USA.
5. Homer Consulting, Barrytown, NY, USA.
6. Systems Science Program, Portland State University, Portland, OR, USA.
7. Division of General Internal Medicine, Massachusetts General Hospital, Boston, MA, USA.
8. Division of Alcohol, Drugs, and Addiction, McLean Hospital, Harvard Medical School, Boston, MA, USA.
9. Center for Addiction Medicine, Massachusetts General Hospital, Boston, MA, USA.
10. Center for Drug Evaluation and Research, U.S. Food and Drug Administration, Silver Spring, MD, USA.