1. Department of Surgical Sciences, Unit of Ophthalmology, Ospedale Maggiore, 40100 Bologna, Italy
2. Department of Surgical Sciences, Ophthalmology Unit, Alma Mater Studiorum University of Bologna, IRCCS Azienda Ospedaliero-Universitaria Bologna, 40100 Bologna, Italy
3. Department of Optometry, University of Benin, Benin City 300238, Edo State, Nigeria
4. Africa Eye Laser Centre, Km 7, Benin 300105, Nigeria
5. Imperial College Ophthalmic Research Group (ICORG) Unit, Imperial College, 153-173 Marylebone Rd., London NW15QH, UK
6. Department of Neurosciences, Reproductive Sciences and Dentistry, University of Naples Federico II, Via Pansini 5, 80131 Napoli, Italy
7. Schepens Eye Research Institute of Mass Eye and Ear, Harvard Medical School, Boston, MA 02114, USA
8. Department of Ophthalmology, Campus Bio-Medico University, 00128 Rome, Italy
9. Department of Medicine and Surgery, University of Enna “Kore”, Piazza dell’Università, 94100 Enna, Italy
10. Eye Clinic, Catania University, San Marco Hospital, Viale Carlo Azeglio Ciampi, 95121 Catania, Italy
11. Department of Ophthalmology, University Hospital of Udine, 33100 Udine, Italy