1. Center for Health Policy & Health Services Research Henry Ford Health Detroit Michigan USA
2. Department of Otolaryngology – Head and Neck Surgery Henry Ford Health Detroit Michigan USA
3. Kaiser Permanente Washington Health Research Institute Seattle WA USA
4. Department of Health Policy and Behavioral Sciences Georgia State University School of Public Health Atlanta Georgia USA
5. HealthPartners Institute Minneapolis Minnesota USA
6. Institute for Health Research, Kaiser Permanente Colorado Aurora Colorado USA
7. Center for Health Research Kaiser Permanente Hawaii Portland Oregon USA
8. Center for Integrated Health Care Research Kaiser Permanente Hawaii Honolulu Hawaii USA
9. Department of Population Medicine Harvard Medical School and Harvard Pilgrim Health Care Institute Boston Massachusetts USA
10. Essentia Institute of Rural Health Duluth Minnesota USA
11. Department of Psychiatry Henry Ford Health Detroit Michigan USA