1. Department of Ophthalmology, Konstantopouleio‑Patission General Hospital, Athens 14233, Greece
2. Department of Ophthalmology, Public Health Center, Athens 10679, Greece
3. Department of Sleep Apnea, Konstantopouleio‑Patission General Hospital, Athens 14233, Greece
4. Department of Ophthalmology, University Hospital of Heraklion, Heraklion 71110, Greece
5. Eye Institute Thrace, Alexandroupolis 68131, Greece
6. Department of Ophthalmology, University Hospital of Alexandroupolis, Alexandroupolis 68100, Greece