1. Department of General Ophthalmology, Medical University of Lublin, Lublin, Poland
2. Faculty of Medicine, Collegium Medicum Cardinal Stefan Wyszyński University, Warsaw, Poland
3. Université de Paris, Hôpital Cochin, Paris, France
4. Queen Elizabeth Hospital, Birmingham, UK
5. Wellington Eye Clinic, Dublin, Ireland
6. University of Health Sciences, Ankara City Hospital, Turkey
7. Fyodorov Eye Microsurgery Federal State Institution, Moscow, Russian Federation
8. Fernando Fonseca Hospital, Amadora, Portugal
9. University of Alcalá, Madrid, Spain
10. University Eye Clinic, Trieste, Italy
11. TYKS Hospital, Turku, Finland
12. Department of Surgical, Medical, Molecular Pathology and of the Critical Area, University of Pisa, Pisa, Italy