1 1 Pediatric Oncohematology, Stem Cell Transplantation and Cell Therapy Division, A.O. Città della Salute e della Scienza, "Regina Margherita" Children's Hospital, Turin - Italy.
2 2 Quality and Accreditation Section, Agenzia Nazionale Servizi Sanitari, Rome - Italy.
3 3 Pediatric Division, "Cardinal Massaia," Hospital, Asti - Italy.