1. Institute for Maternal and Child Health - “IRCCS Burlo Garofolo”; Trieste Italy
2. Department of Internal Medicine; IRCCS Policlinico San Matteo Foundation and University of Pavia; Pavia Italy
3. Department of Medical Science; Medical Genetics Unit; Policlinico Sant'Orsola-Malpighi; University of Bologna; Bologna Italy
4. Department of Medical Sciences; University of Trieste; Trieste Italy
5. Pediatric Department; Hematology Unit; University of Torino; Torino Italy
6. Department of Medicine; Oulu University Hospital; Oulu Finland
7. Department of Molecular Medicine; University of Pavia; Pavia Italy