1. Eye Institute Knezovic, Zagreb, Croatia
2. School of Medicine, University of Zenica
3. Office of Research Affairs, University of California San Diego, San Diego, U.S.A.
4. Department of Biostatistics, University of Iowa, Iowa City, U.S.A.
5. Canton Hospital Zenica, Ophthalmology Department, Zenica, Bosnia and Herzegovina
6. Layola University Chicago, Department of Pathology, Chicago, U.S.A.
7. School of Medicine, University of Zenica, Bosnia and Herzegovina