1. Pediatric Hematology and Oncology Service, University Hospital La Paz, Madrid, Spain
2. Pediatric Surgery Service, University Hospital La Paz, Madrid, Spain
3. Pediatric Radiology Service, University Hospital La Paz, Madrid, Spain
4. Anathomical Pathology Service, University Hospital La Paz, Madrid, Spain
5. Vascular Congenital Anomalies Unit, University Hospital La Paz, Madrid, Spain
6. Obstetrics & Gynecology Service, University Hospital La Paz, Madrid, Spain
7. Neonatology Service, University Hospital La Paz, Madrid, Spain
8. Vascular Surgery Service, University Hospital La Paz, Madrid, Spain
9. Pharmacy Service, University Hospital La Paz, Madrid, Spain
10. Universidad Autónoma de Madrid, Madrid, Spain