1. Department of Chemistry, Biochemistry and Pharmaceutical Sciences, University of Bern, Freiestrasse 3, 3012 Bern, Switzerland
2. Department of Chemistry, University of Copenhagen, Universitetsparken 5, 2100 Copenhagen, Denmark
3. Department for Applied Electrochemistry, Fraunhofer-Institute for Chemical Technology ICT, Joseph-von-Fraunhofer Strasse 7, 76327 Pfinztal, Germany
4. Biochemical and Chemical Engineering Department, Aarhus University, Åbogade 40, 8200 Aarhus, Denmark