1. Studio Oculistico d'Azeglio, Bologna - Italy
2. Dipartimento di Scienze Neurologiche, Università di Bologna, Bologna - Italy
3. Fondazione G.B. Bietti-IRCCS, Rome - Italy
4. Bascom Palmer Eye Institute, Department of Ophthalmology, University of Miami Miller School of Medicine, Miami, FL - USA
5. Department of Ophthalmology, University of North Carolina, Chapel Hill, NC - USA
6. Doheny Eye Institute and Department of Ophthalmology, Keck School of Medicine of the University of the Southern California, Los Angeles, CA - USA
7. Department of Ophthalmology, Federal University of São Paulo, UNIFESP, São Paulo - Brazil
8. Azienda San Camillo-Forlanini, Rome - Italy