1. University Eye Clinic, IRCCS, Policlinico San Matteo, Pavia, Italy
2. IRCCS, Fondazione G.B. Bietti, Rome, Italy
3. Department of Ophthalmology, Icahn School of Medicine at Mount Sinai Hospital, New York, NY, USA
4. Ophthalmology Department, San Carlo Clinic, Paderno Dugnano, Italy
5. Microbiology Department, San Carlo Clinic, Paderno Dugnano, Italy
6. Ophthalmology Department, San Camillo Clinic, Milan, Italy