1. Systemic Autoimmune Disease Unit; Department of Internal Medicine; Vall d'Hebron University Hospital; Barcelona Spain
2. Department of Medicine; Universitat Autonoma; Barcelona Spain
3. Obstetric and Gynaecolgy Department; Vall d'Hebron University Hospital; Universitat Autonoma; Barcelona Spain
4. Internal Medicine Department; Althaia Healthcare Network of Manresa; Barcelona Spain
5. Rheumatology Unit; Department of Clinical and Experimental Medicine Azienda Ospedaliera; University of Padua; Padua Italy
6. Rheumatology and Clinial Immunology Unit; Ospedale Civile; Brescia Italy
7. Haematology Unit; Hippokration Hospital of Thessaloniki; Thessaloniki Greece
8. Department of Clinical Immunology; A.O. Mauriziano-Umberto I; Turin Italy
9. Systemic Autoimmune Diseases Service; Hospital Clinic; Universitat de Barcelona; Barcelona Spain
10. Depatment of Gynaecology; Gemmeli Hospital; Catholic University; Roma Italy
11. Pregnancy and Rheumatic Diseases Clinic Unit of Medicine and Clinical Immunology IRCCS Ospedale San Raffaele Università Vita-Salute San Raffaele; Milano Italy
12. Laboratorio Autoimmunità e Inflammazione Voscolare - San Raffaele DIBIT; Milano Italy
13. Department of Obstetrics and Gynaecology; University of Turin; Turin Italy
14. Department of Medicine; Hôpital Saint-Antoine; Universite Est Parisien; Paris France