Lymphoma, Large-Cell, Immunoblastic

• Rebecca and John Moores UCSD Cancer Center — La Jolla, California, United States
• USC/Norris Comprehensive Cancer Center and Hospital — Los Angeles, California, United States
• UCLA Clinical AIDS Research and Education (CARE) Center — Los Angeles, California, United States
• University of Miami Sylvester Comprehensive Cancer Center - Miami — Miami, Florida, United States

• The Ohio State University James Cancer Hospital — Columbus, Ohio, United States

• City of Hope Comprehensive Cancer Center — Duarte, California, United States
• USC / Norris Comprehensive Cancer Center — Los Angeles, California, United States
• University of California Davis Comprehensive Cancer Center — Sacramento, California, United States
• Penn State Milton S Hershey Medical Center — Hershey, Pennsylvania, United States

• 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

• Cleveland Clinic Taussig Cancer Institute, Case Comprehensive Cancer Center — Cleveland, Ohio, United States

• Beth Israel Deaconess Medical Center — Boston, Massachusetts, United States
• Fletcher Allen Health Care - Medical Center Campus — Burlington, Vermont, United States

• University of California Davis Cancer Center — Sacramento, California, United States

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

Not specified