Lymphoma, Non-Hodgkin

• Massachusetts General Hospital — Boston, Massachusetts, United States
• Beth Israel Deaconess Medical Center — Boston, Massachusetts, United States

• M D Anderson Cancer Center — Houston, Texas, United States

• University of Pittsburgh Medical Center — Pittsburgh, Pennsylvania, United States

• Hôpital Henri Mondor — Créteil, France
• CHU de Dijon — Dijon, France
• Hôpital Claude Huriez — Lille, France
• Centre Léon Bérard — Lyon, France

• SWOG — Portland, Oregon, United States

• Glostrup Hospital — Glostrup Municipality, Denmark

• National Cancer Institute of Canada Clinical Trials Group — Kingston, Ontario, Canada

• Providence Hospital — Mobile, Alabama, United States
• University of Arizona Health Sciences Center — Tucson, Arizona, United States
• NEA Baptist Memorial Hospital — Jonesboro, Arkansas, United States
• University of Arkansas for Medical Sciences — Little Rock, Arkansas, United States

• Saint Louis University Cancer Center — St Louis, Missouri, United States

Not specified