1. Pain Center, University Hospital and Faculty of Medicine Carl Gustav Carus, TU Dresden, Dresden, Germany
2. Department of Pediatrics, University Hospital and Faculty of Medicine Carl Gustav Carus, TU Dresden, Dresden, Germany
3. Abteilung Neuropädiatrie, Medizinische Fakultät Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
4. National Center for Tumor Diseases (NCT), Partner Site Dresden, Dresden, Germany
5. Institute for Medical Informatics and Biometrics, Faculty of Medicine Carl Gustav Carus, TU Dresden, Dresden, Germany
6. Department of Anesthesiology and Intensive Care Medicine Carl Gustav Carus, TU Dresden, Dresden, Germany