1. Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX;
2. University Hospital, Basel, Switzerland;
3. Odense University Hospital, Odense, Denmark;
4. Roche Molecular Systems, Pleasanton, CA;
5. San Bortolo Hospital, Vicenza, Italy;
6. University of Louisville, Louisville, KY;
7. Hospital Universitario Marques de Valdecilla, Santander, Spain;
8. Aalborg Hospital, Aarhus University Hospital, Aalborg, Denmark;
9. Memorial Sloan-Kettering Cancer Center, New York, NY;
10. Weill Medical College of Cornell University, New York, NY;
11. The Methodist Hospital, Houston, TX;
12. Columbia University Medical Center and New York Presbyterian Hospital, New York, NY;
13. University of North Carolina School of Medicine, Chapel Hill, NC;
14. Cleveland Clinic, Cleveland, OH;
15. Li Ka Shing Faculty of Medicine, University of Hong Kong, Hong Kong, China;
16. Zhejiang University School of Medicine, Second University Hospital, Hangzhou, China;
17. Radboud University Nijmegen Medical Centre, Nijmegen, Netherlands;
18. City of Hope National Medical Center, Duarte, CA;
19. Asan Medical Center, College of Medicine, Ulsan University, Seoul, Korea;
20. School of Medicine, University of California San Francisco, San Francisco, CA;
21. San Raffaele H. Scientific Institute, Milan, Italy;
22. Southwest Washington Medical Center, Vancouver, WA;
23. BC Cancer Agency and BC Cancer Research Centre, Vancouver, British Columbia, Canada;
24. Peking University School of Oncology, Beijing Cancer Hospital, Beijing, China;
25. Feinberg School of Medicine, Northwestern University, Chicago, IL;
26. Ameripath/Quest Diagnostics, Dallas, TX; and
27. Gundersen Lutheran Health System, La Crosse, WI