1. Department
of Biology and Biotechnology, University of Pavia, via Ferrata
9, 27100 Pavia, Italy
2. Austrian
Centre of Industrial Biotechnology, c/o Institute of Molecular Biotechnology, Graz University of Technology, Petersgasse 14, 8010 Graz, Austria
3. Department
of Chemistry, University of Graz, Heinrichstrasse 28, 8010 Graz, Austria