1. Department of Chemistry
2. Purdue University
3. West Lafayette
4. USA
5. Institute of Organic Chemistry and Biochemistry
6. Academy of Sciences of the Czech Republic
7. Flemingovo nám. 2
8. 16610 Prague 6
9. Czech Republic
10. CNRS, Université de Paris
11. UPR 9080
12. Laboratoire de Biochimie Théorique
13. 13 Rue Pierre et Marie Curie
14. Paris