1. Sloan School of Management, Massachusetts Institute of Technology, Cambridge, MA 02139
2. Center for Drug Evaluation and Research, US Food and Drug Administration, Silver Spring, MD 20993
3. Massachusetts General Hospital Institute for Technology Assessment, Harvard Medical School, Boston, MA 02115
4. Harvard Business School, Harvard University, Boston, MA 02163
5. Homer Consulting, Barrytown, NY 12507
6. Systems Science Program, Portland State University, Portland, OR 97201
7. Veterans Affairs Health Services Research Center, Palo Alto, CA 94304
8. Department of Psychiatry and Behavioral Sciences, Stanford University Medical Center, Stanford University, Stanford, CA 94305