[1] Univ Hosp, Dresden, Germany
[2] EBMT Data Off, Leiden, Netherlands
[3] Univ Ulm, D-89069 Ulm, Germany
[4] Rigshosp, DK-2100 Copenhagen, Denmark
[5] Nottingham City Hosp, Nottingham, England
[6] Univ Lund Hosp, S-22185 Lund, Sweden
[7] Univ Helsinki, Cent Hosp, Helsinki, Finland
[8] Chaim Sheba Med Ctr, IL-52621 Tel Hashomer, Israel
[9] Univ Antwerp Hosp, Antwerp, Belgium
[10] Univ Med Ctr, Maastricht, Netherlands
[11] Leiden Univ, Med Ctr, Leiden, Netherlands
[12] Radboud Univ Nijmegen, Med Ctr, NL-6525 ED Nijmegen, Netherlands
[13] Univ Hamburg Eppendorf, Hamburg, Germany
[14] Univ Hosp, Heidelberg, Germany