1. Center of Research of Immunopathology and Rare Diseases, Coordinating Center of Piemonte and Valle d'Aosta Network for Rare Diseases Department of Clinical and Biological Sciences, and SCDU Nephrology and Dialysis University of Turin and S. Giovanni Bosco Hospital Turin Italy
2. Department of Thrombosis and Haemophilia Guy's and St Thomas' Hospital London UK
3. Department of Rheumatology Copenhagen University Hospital Copenhagen Denmark
4. Louise Coote Lupus Unit Guy's and St Thomas' NHS Foundation Trust London UK