1. University of Helsinki
2. Department of Chemistry
3. P.O. Box 55
4. (A.I. Virtanens plats 1)
5. FIN-00014 University of Helsinki
6. Tomsk State University
7. 36 Lenin Avenue
8. Tomsk
9. Russia
10. Division of Theoretical Chemistry and Biology
11. School of Biotechnology
12. KTH Royal Institute of Technology
13. 10691 Stockholm
14. Sweden