1. UO di Medicina, Ospedale di Ostuni, ASL BR, Ostuni, BR, Italy
2. Medicina B3, Ospedale Niguarda Ca’ Granda, Milano, Italy
3. Medicina 2 ASST Santi Paolo e Carlo, Dipartimento di Scienze della Salute, Università degli Studi di Milano, Milano, Italy
4. Clinique Médicale B Hôpitaux Universitaires de Strasbourg (HUS), Strasbourg, France
5. Texas Children’s Hematology Center, Houston, TX, USA
6. Faculty of Medicine, Ain Shams University Hospitals Cairo, Egypt
7. Blood Transfusion Center SRC and Hematology, University Hospital Basel, Swiss Red Cross, Basel, Switzerland
8. Department of Hematology/Oncology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
9. The Children’s Hospital of Philadelphia and the Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
10. Department of Pediatric Hematology, Sabara Pediatric Hospital, Sao Paulo, Brazil
11. Department of Hematology/Oncology, Taussig Cancer Institute, Cleveland Clinic Lerner College of Medicine, Cleveland, OH, USA
12. Division of Hematology, Seoul St. Mary’s Hospital, College of Medicine, the Catholic University of Korea, Seoul, Korea