1. Department of Internal Medicine, Hospices Civils de Lyon, Hotel Dieu, 1 place de l'Hôpital, 69288 Lyon Cedex 02, France and University Claude Bernard Lyon 1, Lyon, France
2. Department of Internal Medicine, Hospices Civils de Lyon, Hotel Dieu, 1 place de l'Hôpital, 69288 Lyon Cedex 02, France and University Claude Bernard Lyon 1, Lyon, France,
3. Department of Neurology A and EDMUS Coordinating Center, Hôpital Neurologique, Hospices Civils de Lyon, Lyon, France, Université Lyon 1, Lyon, France, INSERM U842, Lyon, France