1. Department of Obstetrics Lille University Hospital Lille France
2. Department of Internal Medicine and Clinical Immunology Referral Center for Rare Systemic Autoimmune Diseases North and Northwest of France Lille University Hospital Lille France
3. Lille University Inserm U995‐LIRIC‐Lille Inflammation Research International Center Lille France
4. Department of Biostatistics Lille University Hospital Lille France
5. Lille University ULR 2694 ‐ METRICS: Évaluation des Technologies de Santé et des Pratiques Médicales Lille France
6. Etablissement Français du Sang Hauts‐de‐France‐Normandie Loos France