1. Pediatric Hematology Outpatient Clinic, Pediatric Department Fondazione MBBM Monza Italy
2. Centro Ricerca M. Tettamanti University of Milano Bicocca, Fondazione MBBM/San Gerardo Hospital Monza Italy
3. Ambulatorio di Genetica Medica Istituto Auxologico Italiano, IRCCS Milano Italy
4. Flow Cytometry Laboratory, Diagnostic Department ASST Spedali Civili Brescia Italy
5. Department of Medical Genetics University of Milan Milan Italy
6. Laboratorio di Genetica Medica ASST‐Papa Giovanni XXIII Bergamo Italy
7. Centro di Ricerca Emato‐oncologica AIL (CREA) ASST Spedali Civili Brescia Italy
8. Pediatrics Clinic and A. Nocivelli Institute for Molecular Medicine A, Department of Clinical and Experimental Sciences University of Brescia, ASST‐Spedali Civili Brescia Italy