American Association of Blood Banks
 American Cancer Society
 American College of Physicians
 American Medical Association
 American Pain Society
 ASCO American Society of Clinical Oncology
 American Society of Hematology
 ASTRO American Society for Therapeutic Radiology and Oncology
 British Society of Haematology


 Center for Diseases Control - Atlanta, USA
 Food & Drug Administration, USA
 UICC International Union Against Cancer
 WHO World Health Organization (Organizzazione Mondiale della Sanità)
 National Institutes of Health - USA


 ECOG Eastern Cooperative Oncology Group
 EBMT European Group for Blood and Marrow Transplantation
 EORTC European Organization for Research and Treatment of Cancer
 IOSG The International Oncology Study Group
 NCIC-CTG National Cancer Institute of Canada Clinical Trials Group
 SWOG Southwest Oncology Group