1. Department of Biological and Ecological Engineering; Oregon State University; Corvallis Oregon USA
2. School of Architecture, Civil and Environmental Engineering; Ecole Polytechnique Fédérale de Lausanne; Lausanne Switzerland
3. Laboratoire de Nanophotonique et Métrologie; Ecole Polytechnique Fédérale de Lausanne; Lausanne Switzerland
4. Water Resources, Faculty of Civil Engineering and Geosciences; Delft University of Technology; Delft Netherlands
5. Institute of Geological Sciences, Faculty of Science; Masaryk University; Brno Czech Republic