1. Center of Research of Immunopathology and Rare Diseases- Coordinating Center of Piemonte and Valle d’Aosta Network for Rare Diseases, Department of Rare, Immunologic, Hematologic and Immunohematologic Diseases, and SCDU Nephrology and Dialysis, S. Giovanni Bosco Hospital
2. Department of Thrombosis and Thrombophilia, Guy’s and St Thomas’ Hospital, London, UK
3. Department of Rheumatology, Copenhagen University Hospital at Rigshospitalet, Copenhagen, Denmark