[1] Inst Polish Mothers Mem Hosp, Dept Anaesthesiol & Intens Med Therapy Pediat Car, Lodz, Poland
[2] Med Univ Lodz, Dept Pediat Oncol & Hematol, Lodz, Poland
[3] Med Univ Lodz, Norbert Barlicki Mem Teaching Hosp 1, Anaesthesiol & Intens Care Therapy, Lodz, Poland
[4] Kielce Hosp St Aleksandra, Internal Med & Diabetol, Kielce, Poland
[5] Uniwersytet Jana Kochanowskiego, Hlth Sci Inst, ColI Med, Kielce, Poland
[6] Herosi Fdn, Warsaw, Poland
[7] Global Pediat Med, St Jude Childrens Res Hosp, Memphis, TN USA
[8] Univ Hosp Freiburg, Dept Pediat Hematol & Oncol, Freiburg, Germany
[9] St Jude Global, St Jude Childrens Res Hosp, Memphis, TN USA
[10] St Jude Childrens Res Hosp, Dept Hematol, Memphis, TN USA
[11] Med Univ Lodz, Dept Pediat Oncol Hematol & Diabetol, Lodz, Poland
[12] St Jude Global, St Jude Childrens Res Hosp, Memphis, TN USA
[13] Stollery Childrens Hosp, Northern Alberta Childrens Canc Program, Edmonton, AB, Canada