1. Geomicrobiology; Centre for Applied Geoscience; University of Tuebingen; Hoelderlinstraße 12 72074 Tuebingen Germany
2. Fertilisation and Soil Matter Dynamics (340i); Institute of Crop Science; University of Hohenheim; 70593 Stuttgart Germany
3. Agronomy (340a); Institute of Crop Science; University of Hohenheim; 70593 Stuttgart Germany
4. Department of Civil, Environmental, and Geo-Engineering; University of Minnesota; Civil Engineering Building; Room #244, 500 Pillsbury Drive S.E. Minneapolis MN 55455-0116 USA
5. BioTechnology Institute; University of Minnesota; 140 Gortner Labs, 1479 Gortner Avenue, Office - Snyder Hall, Room #338 St. Paul MN 55108-6106 USA