1. Helsinki Retina Research Group, University of Helsinki, Helsinki
2. Sackler School of Medicine, Tel Aviv University
3. Department of Ophthalmology, Shamir Medical Center
4. Hygeia Clinic, Gdańsk, Poland
5. Tel Aviv Sourasky Medical Center, Tel Aviv
6. Department of Ophthalmology, Rabin Medical Center, Petach Tikva, Israel
7. Department of Ophthalmology, Kymenlaakso Central Hospital, Kotka, Finland