1. Cubist Pharmaceuticals, Lexington, Massachusetts
2. University of Texas Health Science Center at San Antonio, San Antonio, Texas
3. Baylor University, Baylor College of Medicine, Houston, Texas
4. Bend Memorial Clinic, Bend, Oregon
5. Vanderbilt University Medical Center, Nashville, Tennessee
6. Cleveland Clinic Foundation, Cleveland, Ohio
7. Mayo Clinic, Rochester, Minnesota
8. Indiana University Medical Center, Indianapolis, Indiana
9. University of Michigan, Ann Arbor, Michigan
10. H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida
11. University of Oklahoma College of Medicine, Oklahoma City, Oklahoma
12. University of Chicago Medical Center, Chicago, Illinois
13. University of Colorado Health Science Center, Aurora, Colorado
14. Optum, Eden Prairie, Minnesota
15. University of Texas M.D. Anderson Cancer Center, Houston, Texas