1. Department of Ophthalmology, Government Medical College and Hospital, Chandigarh 160047, India
2. Schepens Eye Research Institute of Mass Eye and Ear, Harvard Medical School, Boston, MA 02114, USA
3. Department of Ophthalmology, Campus Bio-Medico University, 00128 Rome, Italy
4. Department of Optometry, University of Benin, Benin City 300238, Nigeria
5. Department of Plastic Surgery, University Hospital of Udine, 33100 Udine, Italy
6. Medicine and Surgery Department, University of Bari Aldo Moro, 70126 Bari, Italy
7. Department of Medicine and Surgery, University of Enna “Kore”, Piazza dell’Università, 94100 Enna, Italy
8. Imperial College Ophthalmic Research Group (ICORG) Unit, Imperial College, 153-173 Marylebone Rd., London NW1 5QH, UK
9. Department of Neurosciences, Reproductive Sciences and Dentistry, University of Naples Federico II, Via Pansini 5, 80131 Napoli, Italy
10. Faculty of Medicine, University of Catania, Piazza Università, 95123 Catania, Italy
11. Eye Clinic Catania University San Marco Hospital, Viale Carlo Azeglio Ciampi, 95121 Catania, Italy
12. Department of Ophthalmology, University Hospital of Udine, 33100 Udine, Italy