A. Pierre, M. Plata, and ?. Itmo-australia, Perth Western -RP Group Royal Perth Hospital ---Sydney -The Children s Hospital at Westmead ---Randwick Sydney Children s Hospital -Austria -Linz - Elisabethinen-Hospital ---Graz -Medical University Graz--- Vienna -Medizinische Universitaet Wien ---Belgium -Brussels -Children`s University Hospital BMT Unit ---Brussels -Cliniques Universitaires St

. Ste-justine, Hospital ---Czech Republic -Prague -Institute of Hematology and Blood Transfusion ---Prague -University Hospital Motol ---Denmark

. Finland-helsinki, University of Helsinki -Hospital for Children & Adolescents

S. Nord, Institut de Cancérologie de la Loire ---Strasbourg -Hautepierre (adulte) ---Bordeaux-CHU Bordeaux Groupe Hospitalier Pellegrin

. Halle-wittenberg, Sophia Children s Hospital ---Patras -University Medical School ---Hungary -Budapest -St. István & St. Laszlo Hospital of Budapest ---Budapest -St. László Hospital --- Miskolc -Postgraduate Medical School ---Ireland -Dublin -Our Lady's Hospital for Sick Children

. Petach-tikva-schneider, Children s Medical Center of Israel --- Tel-Hashomer -Chaim Sheba Medical Center

G. Ospedale-san, Bicocca ---Padova -Clinica di Oncoematologia Pediatrica ---Palermo -Ospedale dei Bambini ---Palermo -Ospedale V. Cervello ---Pavia -Fondazione IRCCS Policlinico San Matteo ---Pesaro -Pesaro Hospital

O. Universitaria-san and G. Battista, Infanzia Burlo Garofolo ---Jordan -Amman -King Hussein Cancer Centre ---Malaysia -Kuala Lumpur Selangor Darul Ehsan -Hospital Amphang ---New Zealand -Christchurch - Canterbury Health Laboratories ---Norway -Rikshospitalet Department of Medicine ? Pediatrics

P. Oncologia and -. , Portugues de Oncologia do Porto ---Russia -Moscow -Russian Children's Hospital

S. Faisal, Barcelona - Hospital Santa Creu i Sant Pau ---Barcelona -Hospital Universitari Germans Trias i Pujol ---Barcelona -Hospital Vall d Hebron ---Barcelona -ICO ? Hospital Duran i Reynals --- Córdoba -Hosp. Reina Sofia ---Granada -Hospital Univ. Virgen de las Nieves ---Madrid -Hospital Gregorio Marañón ---Madrid -Hospital Ramon y Cajal ---Madrid -Hospital Universitario La Paz ---Madrid -Niño Jesus Children`s Hospital ---Málaga - Hospital Carlos Haya ---Murcia -Hospital Morales Meseguer --Murcia -Hospital

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