1. University of Naples Federico II, Department of Molecular Medicine and Medical Biotechnology, Naples, Italy
2. CEINGE Biotecnolgie Avanzate, Naples, Italy
3. University of Bari, Department of Biology, Bari, Italy
4. Hospital Sant Joan de Déu, Developmental Tumor Biology Laboratory and Department of Oncology, Esplugues de Llobregat, Barcelona, Spain
5. Pediatric Research Institute (IRP), Fondazione Città della Speranza, Neuroblastoma Laboratory, Padua, Italy
6. U.O.C. Bioterapie, IRCCS AOU San Martino-IST, National Cancer Research Institute, Genoa, Italy
7. Children's Hospital of Philadelphia, Division of Oncology, Department of Pediatrics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, United States of America
8. IRCCS SDN, Istituto di Ricerca Diagnostica e Nucleare, Naples, Italy