[1] Miedzyleski Specialist Hosp, Dept Diagnost Imaging, PL-04749 Warsaw, Poland
[2] Childrens Mem Hlth Inst, Dept Diagnost Imaging, Warsaw, Poland
[3] Childrens Mem Hlth Inst, Dept Neurol, Warsaw, Poland
[4] Free Univ Amsterdam, Med Ctr, Amsterdam, Netherlands