1. Institute of Molecular Biotechnology, Graz University of Technology, Petersgasse 14, A-8010 Graz, Austria
2. Institute of Microbiology of the Czech Academy of Sciences, Vídeňská 1083, CZ-142 20 Prague, Czech Republic
3. Department of Genetics and Microbiology, Faculty of Science, Charles University, Viničná 5, CZ-12844 Prague 2, Czech Republic
4. Institute of Applied Synthetic Chemistry, TU Wien, Getreidemarkt 9/OC-163, A-1060 Vienna, Austria
5. Acib GmbH, Krenngasse 37, A-8010 Graz, Austria
6. Institute of Organic Chemistry, Graz University of Technology, Stremayrgasse 9, A-8010 Graz, Austria