1. Department
of Environmental Microbiology, Swiss Federal Institute for Aquatic Science and Technology (Eawag), Überlandstrasse 133, CH-8600 Dübendorf, Switzerland
2. Department
of Zoology, University of Delhi, Delhi-110007, India
3. Laboratory
for Functional Polymers, Swiss Federal Laboratories for Materials Science and Technology (Empa), CH-8600 Dübendorf,
Switzerland
4. Agroscope Changins-Wädenswil, Research Station ACW, CH-8820
Wädenswil, Switzerland
5. Ecole Polytechnique Fédérale de Lausanne (EPFL), School of
Architecture, Civil and Environmental Engineering, Laboratory for
Environmental Biotechnology, CH-1015 Lausanne, Switzerland