Corresponding author
Prof. Dr. med. Stefan Bielack, Pediatrics 5 (Oncology, Hematology,
Immunology), Center for Pediatric, Adolescent and Women’s Medicine,
Stuttgart Cancer Center, Klinikum Stuttgart – Olgahospital,
Kriegsbergstr. 62, 70174 Stuttgart, Germany
Tel.: ++49(0)711 2787 3881; Email:
s.bielack@klinikum-stuttgart.de