J Pediatr Hematol Oncol 2014 May;36(4):297-300
*Department of Oncology, Pediatric Hematology and Oncology Unit, A.R.N.A.S. Ospedali Civico ‡Dermatology Unit, A.R.N.A.S. Ospedali Civico, Di Cristina e Benfratelli, Palermo †Hematology Unit, G. Gaslini Children's Institute, Genoa, Italy.