Institute of Hematology and Blood Transfusion, Prague, Czech Republic
Ziekenhuis Bronovo, Den Haag, Netherlands
AZ Sint-Jan, Brugge, Belgium
Karl-Franzens-University Graz, Graz, Austria
St. Thomas' Hospital, London, England, United Kingdom
Allgemeines Krankenhaus - Universitatskliniken, Vienna, Austria
Academisch Ziekenhuis der Vrije Universiteit Brussel, Brussels (Bruxelles), Belgium
U.Z. Gasthuisberg, Leuven, Belgium
Universitair Ziekenhuis Gent, Ghent (Gent), Belgium
Ospedale San Eugenio, Rome, Italy
Institut Jules Bordet, Brussels (Bruxelles), Belgium
Eberhard Karls Universitaet, Tuebingen, Germany
Rambam Medical Center, Haifa, Israel
Kaiser Franz Josef Hospital, Vienna (Wien), Austria
Institut Jules Bordet, Brussels (Bruxelles), Belgium
Centre Oscar Lambret, Lille, France
Institut Curie - Section Medicale, Paris, France
Haemato-Onkologische Praxis und Tagesklinik, Munich (Muenchen), Germany
Institute of Oncology and Radiology of Serbia, Belgrade, Serbia
Ziekenhuis Netwerk Antwerpen Middelheim, Antwerpen, Belgium
Cazk Groeninghe - Campus Maria's Voorzienigheid, Kortrijk, Belgium
Netherlands Cancer Institute - Antoni van Leeuwenhoek Hospital, Amsterdam, Netherlands
Institut Jules Bordet, Brussels, Belgium
Institut Curie Hopital, Paris, France
Institut Jules Bordet, Brussels, Belgium
Algemeen Ziekenhuis Sint-Augustinus, Wilrijk, Belgium
Ziekenhuis Netwerk Antwerpen Middelheim, Antwerpen, Belgium
Bristol Haematology and Oncology Centre, Bristol, England, United Kingdom
U.Z. Gasthuisberg, Leuven, Belgium
National Institute of Oncology, Budapest, Hungary