1. Naturhistorisches Museum der Burgergemeinde Bern; CH 3005 Bern Switzerland
2. Aquatic Ecology and Macroevolution; Institute of Ecology and Evolution; University of Bern; CH 3012 Bern Switzerland
3. Fish Ecology and Evolution; EAWAG; Center for Ecology; Evolution and Biogeochemistry; CH 6047 Kastanienbaum Switzerland