1. Department of Internal Medicine and Addiction; Hôpital Saint-Eloi; University Hospital of Montpellier; Montpellier Cedex 5 France
2. INSERM U844; Montpellier France
3. Montpellier University of Medicine (UM1); Rue de l'école de médecine; Montpellier France
4. Department of Ophthalmology; Guy de Chauliac Hospital; Montpellier University Hospital; Montpellier Cedex 5 France
5. INSERM Department of Information and Scientific Education; Paris France
6. Department of Addiction; Hôpital Caremeau; Place du Professeur Debré; Nîmes France