1. Institute of Technical Microbiology Hamburg University of Technology Hamburg Germany
2. Institute of Earth Sciences Heidelberg University Heidelberg Germany
3. Department of Physics & Earth Sciences Jacobs University Bremen Bremen Germany
4. Heidelberg Center for the Environment (HCE) Heidelberg University Heidelberg Germany
5. Department of Biology, Microbiology; Sulfur Biochemistry and Microbial Bioenergetics Technical University of Darmstadt Darmstadt Germany