1. From the Department of Ophthalmology, Federal University of Sa~o Paulo (UNIFESP), Sa~o Paulo, Brazil;
2. Private practice, Bologna, Italy;
3. Fondazione G. B. Bietti-IRCCS (Istituto Ricerca e Cura a Carattere Scientifico), Roma, Italy;
4. Studio Oculistico d’Azeglio, Bologna, Italy;
5. Dipartimento di Scienze Neurologiche, Universita` di Bologna, Bologna, Italy;
6. Azienda San Camillo-Forlanini, Rome, Italy;
7. Ospedale San Giovanni, Tivoli, Italy; and the
8. Doheny Eye Institute and Department of Ophthalmology, Keck School of Medicine of the University of the Southern California, Los Angeles, California.
9. Studio Oculistico d’Azeglio, Bologna, Italy;5Dipartimento di Scienze Neurologiche, Universita` di Bologna, Bologna, Italy;