1. Faculty
of Chemistry, University of Gdansk, PL80952 Gdansk, Poland
2. Faculty
of Chemistry, Wroclaw University of Science and Technology, 50-370 Wroclaw, Poland
3. Department
of Experimental Oncology, Hirszfeld Institute of Immunology and Experimental
Therapy, Polish Academy of Sciences, 53-114 Wroclaw, Poland
4. Faculty
of Biology, University of Gdansk, PL80952 Gdansk, Poland