[1] Fdn IRCCS Ist Nazl Tumori, Milan, Italy
[2] Univ Med Ctr Gottingen, Gottingen, Germany
[3] Univ Duisburg Essen, Essen, Germany
[4] Sapienza Univ Rome & Bambino Gesu, Childrens Res Hosp IRCCS, Rome, Italy
[5] Eisai Inc, Woodcliff Lake, NJ USA
[6] Eisai Ltd, European Knowledge Ctr, Hatfield, Herts, England
[7] Meyer Childrens Hosp, Florence, Italy
[8] Nino Jesus Univ Childrens Hosp, Madrid, Spain
[9] Univ Hosp Vall dHebron, Barcelona, Spain
[10] La Paz Univ Hosp, Madrid, Spain
[11] Rhein Westfal TH Aachen, Aachen, Germany