[1] DR Sardjito Hosp, Child Hlth, Sleman, Indonesia
[2] UGM, Fac Med Publ Hlth & Nursing, Child Hlth, Sleman, Indonesia
[3] Princess Maxima Ctr Pediat Oncol, Pediat Oncol, Utrecht, Netherlands
[4] Amsterdam UMC, Emma Childrens Hosp, Vrije Univ, Pediat Oncol, Amsterdam, Netherlands