1. Department of Opthalmology; Hôpital Gui de Chauliac; Montpellier France
2. Université Montpellier 1; Montpellier France
3. National Institute for Health and Medical Research (INSERM), U1061; Montpellier France
4. Department of Public Health; Yamagata University Graduate School of Medical Science; Yamagata Japan
5. Department of Internal Medicine; Hôpital Lapeyronie; Montpellier France
6. PhyMedExp, INSERM U1046, CNRS UMR 9214; University of Montpellier 34295 Montpellier Cedex 5; France