1. School of Public HealthGeorgia State UniversityAtlanta GeorgiaU.S.A.
2. Kaiser Permanente GeorgiaCenter for Research and Evaluation Atlanta Georgia
3. Center for Health Policy and Health Services ResearchHenry Ford Health System Detroit Michigan U.S.A.
4. Behavioral Health ServicesHenry Ford Health System Detroit Michigan U.S.A.
5. Department of Public Health SciencesHenry Ford Health System Detroit Michigan U.S.A.
6. Kaiser Permanente WashingtonHealth Research Institute Seattle Washington U.S.A.
7. Health Partners Institute Minneapolis Minnesota U.S.A.
8. Kaiser Permanente NorthwestCenter for Health Research Portland Oregon U.S.A.
9. Department of Population MedicineHarvard Medical SchoolHarvard Pilgrim Health Care Institute Boston Massachusetts, U.S.A
10. Kaiser Permanente HawaiiCenter for Health Research Honolulu Hawaii U.S.A.
11. Kaiser Permanente Colorado, Institute for Health Research Aurora Colorado U.S.A.
12. Sleep Disorders and Research CenterHenry Ford Health System Detroit Michigan U.S.A.