1. Pediatric Hematology‐Oncology Unit, Division of Pediatrics, Department “Woman‐Mother‐Child”Lausanne University Hospital and Lausanne University Lausanne Switzerland
2. Division of Anesthesia, Department of SurgeryLausanne University Hospital and Lausanne University Lausanne Switzerland
3. Transfusion Medicine Unit, Department of Laboratory MedicineLausanne University Hospital and Lausanne University Lausanne Switzerland
4. Division of Pediatric Surgery, Department “Woman‐Mother‐Child”Lausanne University Hospital and Lausanne University Lausanne Switzerland
5. Pediatric Nephrology Unit, Division of Pediatrics, Department “Woman‐Mother‐Child”Lausanne University Hospital and Lausanne University Lausanne Switzerland