1. University of Oklahoma Health Sciences Center, Oklahoma City, OK
2. Roswell Park Cancer Institute, Buffalo, NY
3. University of California, Irvine, Medical Center, Orange, CA
4. The University of Chicago Medicine, Chicago, IL
5. Women and Infants Hospital, Providence, RI
6. Saitama Medical University International Medical Center, Hidaka-Shi, Japan
7. The University of Arizona Cancer Center, Tucson, AZ
8. The University of Arizona, Tucson, AZ
9. The Ohio State University, Columbus, OH
10. Washington University in St Louis, St Louis, MO
11. University of North Carolina at Chapel Hill, Chapel Hill, NC
12. University of Colorado, Aurora, CO
13. University of Washington School of Medicine, Seattle, WA
14. Cleveland Clinic Foundation, Cleveland, OH
15. Memorial Sloan Kettering Cancer Center, New York, NY
16. University of Connecticut, Storrs, CT
17. Duke University Health System, Durham, NC
18. University of Pennsylvania, Philadelphia, PA