1. Center for Healthcare Policy and Research University of California Davis Sacramento California USA
2. Kaiser Permanente Sacramento CA USA
3. Department of Surgery, Outcomes Research Group University of California, Davis, Medical Center Sacramento California USA
4. Stanford University Center for Health Policy Stanford University Stanford California USA
5. Johns Hopkins University Schools of Nursing and Medicine Baltimore MD USA
6. Truven Analytics Ann Arbor Michigan USA
7. Lehigh University College of Health Bethlehem PA USA
8. Agency for Healthcare Research and Quality Rockville Maryland USA
9. Department of Internal Medicine University of California, Davis, Medical Center Sacramento California USA
10. Department of Pediatrics University of California, Davis, Medical Center Sacramento California USA