1. Danish Hospital for Rheumatic diseases, Sønderborg; Danish Institute of Regional Health Research, University of Southern Denmark, and Thrombosis and Haemostasis, Guy’s and St Thomas’ NHS Foundation Trust, London, UK.
2. 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, S. Giovanni Bosco Hospital, Turin, Italy.
3. Copenhagen Lupus and Vasculitis Clinic, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark.
4. Rheumatology Department, Clinica Universidad de Navarra, Madrid, Spain.
5. 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, S. Giovanni Bosco Hospital, Turin, Italy. savino.sciascia@unito.it