1. Division of Health Policy and Management School of Public Health University of Minnesota Minneapolis Minnesota USA
2. Regeneron Pharmaceuticals, Inc. Tarrytown New York USA
3. David Geffen School of Medicine at UCLA Los Angeles California USA
4. UCLA Fielding School of Public Health Los Angeles California USA
5. Carlson School of Management University of Minnesota Minneapolis Minnesota USA
6. Schaeffer Center for Health Policy and Economics, Sol Price School of Public Policy University of Southern California Los Angeles California USA