1. Ophthalmology Clinic, Department of Medicine and Science of Ageing, “G. D'Annunzio” University of Chieti-Pescara, Chieti, Italy
2. Department of Ophthalmology, IRCCS San Raffaele Scientific Institute, Vita-Salute San Raffaele University, Milan, Italy
3. Studio Oculistico d’Azeglio, Bologna, Italy
4. “A. Cardarelli” U.O.C. Oculistica A.O.R.N., Naples, Italy
5. Department of Ophthalmology, Ludwig-Maximilian-University Munich, Munchen, Germany