1. Ophthalmology Unit, NESMOS Department, Sant’Andrea Hospital, University of Rome “Sapienza”, Via di Grottarossa 1035-1039, 00189 Rome, Italy
2. Ophthalmology Unit, DAI Head/Neck, Umberto I Polyclinic, University of Rome “Sapienza”, Viale del Policlinico 155, 00161 Rome, Italy