1. Division of Haematology/Oncology and Child Health Evaluative Sciences, Research Institute, Hospital for Sick Children, Toronto, Canada
2. Center for Thrombosis and Hemorrhagic Diseases, Humanitas Clinical and Research Center – IRCCS, Rozzano, Milan, Italy
3. Children’s Hospital Los Angeles, Los Angeles, University of Southern California Keck School of Medicine, CA, USA
4. Haematology Department, Hospital Universitario La Paz, Autónoma University, Madrid, Spain