1. Department of Internal Medicine, University Hospital of Nantes, Nantes University, Nantes, France
2. Department of Internal Medicine and Clinical Immunology, University Hospital of Dijon, University of Burgundy, Dijon, France
3. Department of Internal Medicine, University Hospital of Brest, University of Bretagne Occidentale, Brest, France
4. Department of Internal Medicine, University Hospital of Angers, Angers, France
5. Department of Internal Medicine, University Hospital of Rennes, Rennes University, Rennes, France
6. Department of Internal Medicine, University Hospital of Poitiers, Poitiers University, Poitiers, France
7. Department of Internal Medicine, University Hospital of Tours, Tours University, Tours, France