Published on in Vol 9, No 8 (2020): August
1 Division of Oncology-Hematology, Department of Pediatrics, Kantonsspital Aarau, Aarau, Switzerland
2 Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland
3 Division of Oncology-Hematology, University Children’s Hospital Basel, Basel, Switzerland
4 University of Basel, Basel, Switzerland
5 Department of Pediatrics, McMaster Children’s Hospital, Hamilton, ON, Canada
6 McMaster University, Hamilton, ON, Canada
*these authors contributed equally