1. Department of Ophthalmology University of Catania Catania Italy
2. Department of Ophthalmology King's College HospitalKing's College London London UK
3. Department of Ophthalmology Ludwigshafen Hospital Ludwigshafen am Rhein Germany
4. Department of Ophthalmology Gavazzeni ‐ Castelli HospitalHumanitas University Rozzano Italy
5. Division of Ophthalmology Department of Surgery and Biomedical Science S Maria della Misericordia HospitalUniversity of Perugia Perugia Italy
6. Department of Ophthalmology University of Padova Padova Italy
7. Department of General Ophthalmology Medical University of Lublin Lublin Poland
8. Department of Surgical Sciences Eye Clinic Section University of Turin Turin Italy