Classification of treatment-related mortality in children with cancer: a systematic assessment.

Alexander S, Pole JD, Gibson P, Lee M, Hesser T, Chi SN, Dvorak CC, Fisher B, Hasle H, Kanerva J, Möricke A, Phillips B, Raetz E, Rodriguez-Galindo C, Samarasinghe S, Schmiegelow K, Tissing W, Lehrnbecher T, Sung L, International Pediatric Oncology Mortality Classification Group