1. Brighton and Sussex Medical School, University of Sussex, Brighton, East Sussex BN1 9PX, UK
2. School of Computer Science, University of Hertfordshire, Hatfield, Hertfordshire AL10 9AB, UK
3. Institute of Microbiology and Microbial Biotechnology, Department of Biotechnology, University of Natural Resources and Life Sciences, Vienna (BOKU), 1190 Vienna, Austria
4. Austrian Centre of Industrial Biotechnology (acib GmbH), 1190 Vienna, Austria