Published on in Vol 9 , No 6 (2020) :June

1 Childhood Cancer Registry , Institute of Social and Preventive Medicine , University of Bern , Bern , CH
2 Pediatric Oncology/Hematology , University Children's Hospital Basel , University of Basel , Basel , CH
3 Pediatric Hematology and Oncology , University Children’s Hospital Bern , University of Bern , Bern , CH
4 Department of Cardiology , Inselspital, Bern University Hospital , University of Bern , Bern , CH
5 Platform of Pediatric Onco-Hematology research, CANSEARCH Laboratory , Department of Pediatrics, Gynecology, and Obstetrics , University of Geneva , Geneva , CH
*these authors contributed equally