1 Pediatric Hematology Oncology, Department of Mother and Child, Azienda Ospedaliera, Universitaria Integrata, Verona, Italy.
2 Pediatric Hematology/Oncology, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy.
3 Department of Pediatrics, Pediatric Oncology and Haematology Unit "Lalla Seràgnoli", Sant' Orsola Malpighi Hospital, University of Bologna, Bologna, Italy.
4 Department of Pediatrics, Santa Chiara Hospital, Trento, Italy.
5 Hemato-Oncology Unit, Department of Pediatrics, IRCCS Burlo Garofolo, Trieste, Italy.
6 Pediatric Hematology Oncology and BMT Unit, Ospedale dei bambini, Spedali Civili, Brescia, Italy.
7 Hematology-Oncology Department, Pediatric Hematology and Oncology Unit, Santo Spirito Hospital, Pescara, Italy.
8 Department of Pediatrics, Regional Hospital of Bolzano, Bolzano, Italy.