1. Geomicrobiology; Center for Applied Geosciences; University of Tuebingen; Tuebingen Germany
2. Instrumental Analytical Chemistry; Faculty of Chemistry; University of Duisburg-Essen; Essen Germany
3. Environmental Analytical Chemistry; Center for Applied Geosciences; University of Tuebingen; Tuebingen Germany
4. Department of Civil, Environmental, and Geo-Engineering; University of Minnesota; Minneapolis MN USA
5. BioTechnology Institute; University of Minnesota; Minneapolis MN USA