[1] Hop Edouard Herriot, Serv Hematol, Lyon, France
[2] Univ Roma La Sapienza, Rome, Italy
[3] Univ Leipzig, Med Klin & Poliklin 2, Leipzig, Germany
[4] St Petersburg Pavlov State Med Univ, Ctr Hematol, BMT Dept, St Petersburg, Russia
[5] Mahidol Univ, Salaya, Thailand
[6] Teaching Hosp, Leeds, W Yorkshire, England
[7] Novartis, E Hanover, NJ USA