[1] Univ Turin, I-10126 Turin, Italy
[2] Univ Bologna, Sch Med, Seragnoli Inst Hematol, Bologna, Italy
[3] Mayo Clin, Rochester, MN USA
[4] Univ Hosp Salamanca, Salamanca, Spain
[5] Weill Cornell Med Coll, New York, NY USA
[6] Royal Marsden Hosp, London SW3 6JJ, England
[7] NCI, Bethesda, MD 20892 USA
[8] Univ Ostrava, Sch Med, CZ-70103 Ostrava, Czech Republic
[9] Univ Hosp Ostrava, Ostrava, Czech Republic
[10] Univ Wurzburg, D-97070 Wurzburg, Germany
[11] Dana Farber Canc Inst, Boston, MA 02115 USA
[12] Univ Athens, Sch Med, GR-11527 Athens, Greece
[13] Alfred Hosp, Melbourne, Vic, Australia
[14] Mayo Clin, Scottsdale, AZ USA
[15] Aichi Gakuin Hosp, Nagoya, Aichi, Japan
[16] Emory Univ, Atlanta, GA 30322 USA
[17] Erasmus MC, Rotterdam, Netherlands
[18] Cedars Sinai Comprehens Canc Ctr, Los Angeles, CA USA
[19] Univ Hosp, Nantes, France
[20] Univ Texas Houston, MD Anderson Canc Ctr, Houston, TX 77030 USA