[1] Osped San Mariano, Dept Haematol, I-16132 Genoa, Italy
[2] Hosp Clin Barcelona, Dept Hematol, E-08036 Barcelona, Spain
[3] Allgemein Krankenhaus St Georg, Dept Hematol, Hamburg, Germany
[4] Univ Nijmegen, Med Ctr St Radboud, Dept Hematol, NL-6526 ED Nijmegen, Netherlands
[5] Osped Civile, Dept Oncohematol, Ravenna, Italy
[6] Free Univ Berlin, Klinikum Benjamin Franklin, Dept Hematol, D-12200 Berlin, Germany
[7] Hop St Louis, BMT Unit, Dept Hematol, F-75475 Paris, France
[8] Univ Ulm, Abt Pediat 2, D-89069 Ulm, Germany
[9] Hop Henri Mondor, Dept Hematol, F-94010 Creteil, France
[10] Univ Basel, Felix Platter Spital, Reumatol Klin, CH-4056 Basel, Switzerland
[11] Univ Tubingen Hosp, Dept Pediat, Tubingen, Germany
[12] Huddinge Univ Hosp, Dept Hematol, S-14186 Huddinge, Sweden
[13] Kantonsspital, Dept Hematol, CH-4031 Basel, Switzerland
[14] Univ London Imperial Coll Sci Technol & Med, Hammersmith Hosp, Sch Med, Dept Haematol, London SW7 2BZ, England
[15] Univ Leipzig, Div Internal Med 2, Leipzig, Germany