[1] CHU Nantes, Hotel Dieu, Hematol, F-44000 Nantes, France
[2] Hop St Antoine, Paris, France
[3] Univ Med Ctr Groningen, Groningen, Netherlands
[4] Hop St Louis, Paris, France
[5] Osped Riuniti Hematol, Bergamo, Italy
[6] Univ Helsinki, Cent Hosp, Helsinki, Finland
[7] Albert Ludwigs Univ, Med Ctr, Freiburg, Germany
[8] Lund Univ Hosp, Lund, Sweden
[9] Univ Hosp Hamburg, Hamburg, Germany
[10] Univ Med Ctr, Utrecht, Netherlands
[11] Queen Elizabeth Hosp, Birmingham, W Midlands, England
[12] CHU Lille, Lille, France
[13] Ankara Univ, Med Sch, Dept Hematol, Ankara, Turkey
[14] Nottingham City Hosp, Nottingham, England
[15] Univ Hosp Plzen, Dept Haematol & Oncol, Plzen, Czech Republic
[16] Erasmus Univ, Med Ctr, Rotterdam, Netherlands
[17] Hosp Clin Barcelona, Barcelona, Spain
[18] Hop St Antoine, Paris, France