1. Ecole Polytechnique Fédérale de Lausanne (EPFL), School of Architecture, Civil and Environmental Engineering, Laboratory for Environmental Biotechnology, Station 6, CH-1015 Lausanne, Switzerland
2. DTU Environment, Department of Environmental Engineering, Technical University of Denmark, 2800 Kgs. Lyngby, Denmark
3. Department of Applied and Ecological Microbiology, Institute of Microbiology, Friedrich Schiller University, Philosophenweg 12, 07743 Jena, Germany