[1] Justus Liebig Univ, Univ Hosp, Giessen, Germany
[2] Martin Luther Univ Halle Wittenberg, Fac Med, Halle, Germany
[3] Hop Robert Debre, AP HP, Serv Hematol Pediat, Paris, France
[4] Childrens Hosp Wisconsin, Milwaukee, WI USA
[5] IRCCS Ctr Riferimento Oncol, Aviano, Italy
[6] Hop La Timone, Marseille, France
[7] Johns Hopkins Univ Hosp, Baltimore, MD 21287 USA
[8] Princess Maxima Ctr Pediat Oncol, Utrecht, Netherlands
[9] Seattle Childrens Hosp, Seattle, WA USA
[10] IRCCS Ist Giannina Gaslini, Genoa, Italy
[11] Santobono Pausilipon Hosp, Naples, Italy
[12] Inst Gustave Roussy, Villejuif, France
[13] Roswell Pk Comprehens Canc Ctr, Buffalo, NY USA
[14] Rutgers Canc Inst New Jersey, New Brunswick, NJ USA
[15] Seattle Genet, Bothell, WA USA
[16] Bristol Myers Squibb, Princeton, NJ USA
[17] Univ Coll Hosp, London, England