1 Haematology Dept, Our Lady's Children's Hospital, Dublin, Ireland; Department of Internal Medicine V, Innsbruck Medical University, Innsbruck, Austria. Electronic address: apiccin@gmail.com.
2 UOC Ematologia e Trapianto di Midollo, Universita' Cattolica del Sacro Cuore, Fondazione Policlinico Universitario A Gemelli, Roma, Italy.
3 Servizio di Medicina Trasfusionale, Universita' Cattolica del Sacro Cuore, Fondazione Policlinico Universitario A Gemelli, Roma, Italy.
4 Paediatric BMT Unit, Children's Medical Center, Tehran University of Medicine, Tehran, Iran.
5 Department of Internal Medicine V, Innsbruck Medical University, Innsbruck, Austria; Medical Clinic 3, Oncology, Hematology, Immunoncology and Rheumatology, University Hospital Bonn, Bonn, Germany.
6 King's College Hospital, London, UK.
7 Dept of Dentistry, Bolzano Regional Hospital, Bolzano, Italy.
8 Haematology Dept and HSCT Unit, University of Verona, Verona, Italy.