1. Department of General Ophthalmology, Medical University in Lublin, Poland
2. Department of Mathematics and Medical Biostatistics, Medical University, Lublin, Poland
3. Department of Ophthalmology, University of Heidelberg, Heidelberg, Germany
4. Casey Eye Institute Oregon Retinal Degeneration Center, Oregon Health & Science University, Portland, USA
5. Centre for Ophthalmology/Institute for Ophthalmic Research, University of Tübingen, Tübingen, Germany; Competence Centre “Vision Research”, University of Applied Science, Aalen, Germany
6. Department of Neurology, Medical University, Lublin, Poland
7. Department of Ophthalmology, University of Rostock, Rostock, Germany
8. Human Anatomy Department, Medical University, Lublin, Poland
9. Department of Experimental Pharmacology, Medical Research Centre, Polish Academy of Sciences, Warsaw, Poland