Correspondence to:
M.C. Affinita MD*
Pediatric Hematology, Oncology and Stem Cell Transplant Division, Padova
University Hospital
Via Giustiniani n.3, 35128 Padova (PD), Italy
phone: +39 049-8211481;
e-mail: draffinita@gmail.com
Abstract: 240 words
Main text: 1885 words
References: 24