1. Department of Pediatrics and Adolescent Medicine, Division of Neonatology, Pediatric Intensive Care and Neuropediatrics; Comprehensive Center for Pediatrics; Comprehensive Cancer Center, Medical University of Vienna , Vienna , Austria
2. University College London Great Ormond Street Institute for Child Health , London , UK
3. Instituto Português Oncologia de Lisboa Francisco Gentil , Lisbon , Portugal
4. Henri-Mondor Hospital, APHP , UPEC, Créteil , France
5. Department of Pediatrics and Adolescent Medicine, Sana Kliniken Duisburg , Duisburg , Germany
6. Neurofibromatosis Referral Center, Department of Women’s and Children’s Health and General and Specialized Surgery, University of Campania “Luigi Vanvitelli” , Naples , Italy
7. Clinic of Child and Adolescent Psychiatry, Department of Mental and Physical Health and Preventive Medicine, University of Campania “Luigi Vanvitelli” , Naples , Italy
8. Medical University of Vienna and Department of Pediatrics and Adolescent Medicine, Vienna General Hospital , Vienna , Austria
9. Melanoma, Cancer Immunotherapy and Innovative Therapies Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale , Naples , Italy
10. Department of Pediatric Oncology and Hematology, Sant Joan de Déu Barcelona Hospital , Barcelona , Spain