1. 1st and 3rd University Departments of Ophthalmology, Aristotle University of Thessaloniki, Thessaloniki, Greece
2. Department of Ophthalmology III, Quinze-Vingts Hospital, Paris, France;Quinze-Vingts Hospital, Paris, France; Inserm, ; RUPMC Univ Paris 06, Institut De La Vision; CNRS, ; CHNO Des Quinze-Vingts, INSERM-DHOS Paris, France; Department of Ophthalmology, Ambroise Paré Hospital, AP-HP, University of Versailles Saint-Quentin-en-Yvelines, Versailles, France
3. Ophthalmology Department, University of Ioannina, Ioannina, Greece
4. Eye Center Rapperswil, Rapperswil, Switzerland
5. Department of Ophthalmology, Hacettepe University, Faculty of Medicine, Ankara, Turkey
6. 3rd Ophthalmology Department, Aristotle University of Thessaloniki, Thessaloniki, Greece
7. Department of Ophthalmology, Semmelweis University, Budapest, Hungary
8. Department of Ophthalmology, San Carlos Clinical Hospital, Health Research Institute (IdISSC), Universidad Complutense, Oftared, Madrid, Spain
9. Department of Optometry and Visual Science, Glasgow Caledonian University, Glasgow, UK