1. University of Toledo Medical Center, Toledo, Ohio, USA
2. University of Michigan, Ann Arbor, Michigan, USA
3. Johns Hopkins University, Baltimore, Maryland, USA
4. Virginia Mason Medical Center, Seattle, Washington, USA
5. Department of Research and Quality Improvement, American Academy of Otolaryngology—Head and Neck Surgery Foundation, Alexandria, Virginia, USA
6. National Consumers League, Washington, DC, USA
7. Cooper University, Camden, New Jersey, USA
8. University of Iowa, Iowa City, Iowa, USA
9. Mayo Clinic, Rochester, Minnesota, USA
10. Medical University of South Carolina, Charleston, South Carolina, USA
11. University of Utah, Salt Lake City, Utah, USA
12. Overlook Medical Center, Summit, New Jersey, USA
13. Emerson Hospital, Concord, Massachusetts, USA
14. Harvard Medical School, Boston, Massachusetts, USA
15. University of Texas Health Science Center, San Antonio, Texas, USA
16. Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
17. Louisiana State University Health Sciences Center New Orleans, New Orleans, Louisiana, USA
18. HackensackUMC Mountainside Hospital, Montclair, NJ
19. National Committee to Preserve Social Security and Medicare, Falls Church, Virginia, USA