1. Department of Clinical Science and Community Health, University of Milan, San Giuseppe Hospital, IRCCS Multimedica, Milano, Italy
2. San Paolo Ophthalmic Center, San Antonio Hospital, Padova, Italy
3. Ophthalmological Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Milan, Italy
4. Division of Ophthalmology, ASST Cremona, Cremona, Italy
5. UOC Oculistica, Usl Sud-Est Toscana, Grosseto, Italy
6. Department of Ophthalmology, San Gerardo Hospital, Monza, Italy
7. Division of Ophthalmology, Department of Biomedical and Clinical Sciences, Linköping University, Linköping Sweden