Waldenstrom Macroglobulinemia

• Institut Jules Bordet — Brussels, Belgium
• CHU de Grenoble - Hopital de la Tronche — Grenoble, France
• German Hodgkin's Lymphoma Study Group — Cologne, Germany
• Ospedale San Martino — Genoa, Italy

• Massachusetts General Hospital — Boston, Massachusetts, United States
• Beth-Israel Deaconess Medical Center — Boston, Massachusetts, United States
• Dana Farber Cancer Institute — Boston, Massachusetts, United States

Not specified

• Fred Hutchinson Cancer Research Center/University of Washington Cancer Consortium — Seattle, Washington, United States

• Dana-Farber Cancer Institute — Boston, Massachusetts, United States

• Masonic Cancer Center at University of Minnesota — Minneapolis, Minnesota, United States
• M. D. Anderson Cancer Center at University of Texas — Houston, Texas, United States
• Scott and White Cancer Institute — Temple, Texas, United States

• Ohio State University Comprehensive Cancer Center — Columbus, Ohio, United States

• Fred Hutchinson Cancer Research Center/University of Washington Cancer Consortium — Seattle, Washington, United States

• Maisonneuve-Rosemont Hospital — Montreal, Quebec, Canada
• Charite - Universitaetsmedizin Berlin - Campus Benjamin Franklin — Berlin, Germany
• Universitaetsklinikum Essen — Essen, Germany
• Universitaetsklinikum Goettingen — Göttingen, Germany

• USC/Norris Comprehensive Cancer Center and Hospital — Los Angeles, California, United States
• Warren Grant Magnuson Clinical Center - NCI Clinical Trials Referral Office — Bethesda, Maryland, United States
• M. D. Anderson Cancer Center at University of Texas — Houston, Texas, United States
• Joe Arrington Cancer Research and Treatment Center — Lubbock, Texas, United States