1. Ophthalmology Clinic, Department of Medicine and Science of Ageing, University G. d’Annunzio Chieti-Pescara, Chieti, Italy
2. Territorial Ophthalmology Unit, Local Health Authority, Pescara, Italy
3. Chair of Endocrinology and Metabolic Diseases, University G. d’Annunzio Chieti-Pescara, Chieti, Italy
4. Chair of Internal Medicine, Department Of Medical Sciences, University of Turin, Turin, Italy