1. Department of Chemistry New York University 100 Washington Sq. East New York NY 10003 USA
2. Institute of Organic Chemistry and Biochemistry Academy of Sciences of the Czech Republic, v.v.i. Flemingovo náměstí 2 166 10 Praha 6 Czech Republic
3. Department of Electrotechnology, Electrical Engineering Czech Technical University Technická 2 166 27 Prague 6 Czech Republic