1. Orbital and Adnexal Service, Department of Ophthalmology, Villa Tiberia Hospital, Rome, Italy
2. Oftalmoplastica Roma, Rome, Italy
3. Department of Ophthalmology, IRCCS Istituto Neurologico Mediterraneo Neuromed, Pozzilli, IS, Italy
4. Department of Epidemiology and Prevention, IRCCS Istituto Neurologico Mediterraneo Neuromed, Pozzilli, IS, Italy