1. Pediatric Surgical Oncology Unit, Department of Pediatric Surgery, PCCB-SJD Barcelona Children’s Hospital, University of Barcelona, 08950 Barcelona, Spain
2. Pediatric Oncology Nurse, PCCB-SJD Barcelona Children’s Hospital, University of Barcelona, 08950 Barcelona, Spain
3. Pediatric Cancer Center Barcelona, SJD Barcelona Children’s Hospital, University of Barcelona, 08950 Barcelona, Spain
4. Innovation Department, PCCB-SJD Barcelona Children’s Hospital, University of Barcelona, 08950 Barcelona, Spain
5. Child and Adolescent Psychiatry and Psychology Department, Hospital Sant Joan de Déu, 08950 Barcelona, Spain
6. Statistical Advising Service, Fundació de Recerca Sant Joan de Déu, 08950 Barcelona, Spain