1. Department of Chemistry; University of Graz; Heinrichstrasse 28 8010 Graz Austria
2. Department of Biotechnology; University of Groningen; Nijenborgh 4 9747AG Groningen The Netherlands
3. Austrian Centre of Industrial Biotechnology (ACIB GmbH); c/o Heinrichstrasse 28 8010 Graz Austria
4. Department of Biology and Biotechnology “Lazzaro Spallanzani”; University of Pavia; Via Ferrata 9 27100 Pavia Italy