1. Department of Environmental SciencesJožef Stefan Institute Jamova cesta 39 1000 Ljubljana Slovenia
2. Institute of Metagenomics and Microbial Technologies Clevelandska ulica 19 1000 Ljubljana Slovenia
3. Systems and Synthetic BiologyChalmers University of Technology Kemivägen 10 412 96 Göteborg Sweden
4. Systems BioinformaticsFaculty of ScienceVrije Universiteit Amsterdam De Boelelaan 1105 1081 HV Amsterdam The Netherlands