[1] Univ Gottingen, Dept Hematol & Oncol, Gottingen, Germany
[2] LaB Citogenet, Barcelona, Spain
[3] Hosp Univ La Fe, Dept Hematol, Valencia, Spain
[4] Hosp Univ Cent Asturias, Serv Hematol, Oviedo, Spain
[5] Univ Dusseldorf, Dusseldorf, Germany
[6] British Columbia Canc Agcy, Vancouver, BC V5Z 4E6, Canada
[7] Med Univ Vienna, Div Hematol & Hemostaseol, Dept Internal Med 1, Vienna, Austria
[8] Hanusch Hosp, Med Dept Hem & Onc 3, Vienna, Austria
[9] St Johannes Hosp, Med Klin 2, Duisburg, Germany
[10] Univ Hosp Freiburg, Freiburg, Germany
[11] Innsbruck Med Univ, Dep Internal Med Haematol & Oncol 5, Innsbruck, Austria
[12] Elisabethinen Hosp, Dept Internal Med 1, Linz, Austria
[13] Univ Chicago, Med Ctr, Chicago, IL 60637 USA
[14] Univ Rochester, Rochester, NY USA
[15] Stanford Univ, Div Hematol, Stanford Canc Ctr, Stanford, CA 94305 USA
[16] Univ Hosp Dusseldorf, Dept Hematol & Oncol, Dusseldorf, Germany