1. First Department of Ophthalmology, Pomeranian Medical University, Szczecin, Poland
2. Department of General Pathology, Pomeranian Medical University, Szczecin, Poland
3. Department of Biochemistry and Medical Chemistry, Pomeranian Medical University, Szczecin, Poland
4. Genomed SA, Warsaw, Poland
5. Department of Ophthalmology, University Medicine Greifswald, Greifswald, Germany