1. Department of Biochemistry
2. Faculty of Biology
3. University of Sofia
4. Sofia, Bulgaria
5. Department of Ophthalmology
6. Kyoto Prefectural University of Medicine
7. Kyoto, Japan
8. R. Kaischew Institute of Physical Chemistry
9. Bulgarian Academy of Sciences
10. Biomaterials Group
11. NMI Naturwissenschaftliches und Medizinisches Institut an der Universität Tübingen
12. 72770 Reutlingen, Germany
13. Reutlingen University
14. Faculty of Applied Chemistry