1. Department of Ophthalmology, Ca Foncello Hospital, ULSS 9 TREVISO, 31100 Treviso, Italy
2. Department of Ophthalmology, University of Padova, 35122 Padova, Italy
3. General Management, Ca Foncello Hospital, ULSS 9 TREVISO, 31100 Treviso, Italy
4. Primary Care Physicians Coordinating Body, Ca Foncello Hospital, ULSS 9 TREVISO, 31100 Treviso, Italy
5. Centre for Research on Health Economics, Social and Health Care Management (CREMS), LIUC-Università Cattaneo, 21053 Castellanza, Italy
6. Fondazione G. B. Bietti, IRCCS, Roma, Italy