1. Institute of Microbiology, Department of Molecular and Translational Medicine, University of Brescia–Spedali Civili, Brescia, Italy
2. Pediatrics Clinic, Children’s Hospital, ASST Spedali Civili of Brescia, Brescia, Italy
3. Haemato-Oncology and BMT Unit, Children’s Hospital, ASST Spedali Civili, Brescia, Italy