[1] Univ Birmingham, Inst Child Hlth, Birmingham B15 2TT, W Midlands, England
[2] Hosp Timone, Marseille, France
[3] Hosp Jeanne Flandre, Lille, France
[4] St Bartholomews Hosp, London, England
[5] Sophia Childrens Univ Hosp, Erasmus MC, Rotterdam, Netherlands
[6] Osped Nuovo San Gerardo, Monza, Italy
[7] Univ Med Berlin, Charite, Berlin, Germany
[8] Hop St Louis, Paris, France
[9] Univ Manchester, CRUK, Childrens Canc Grp, Manchester M13 9PL, Lancs, England
[10] IBFM Study Grp, Expt Therapeut Working Grp, Milan, Italy