1. Geodynamics/Geophysics; Steinmann Institute; University of Bonn; Germany
2. Lancaster Environment Centre; Lancaster University; UK
3. Department of Geosciences; Padova University; Italy
4. BAM Federal Institute for Materials Research and Testing; Berlin Germany
5. Department of Geophysics; Colorado School of Mines; Golden USA
6. ISTerre; CNRS; UMR CNRS 5275; Université de Savoie; Le Bourget du Lac France
7. Department of Earth and Environmental Sciences; Rutgers-Newark; Newark USA
8. Earth Sciences Division; Lawrence Berkeley National Laboratory; Berkeley USA
9. Agrosphere (IBG 3); Forschungszentrum Jülich GmbH; Jülich Germany
10. Institute for Geophysics and Extraterrestrial Physics; Technical University of Braunschweig; Germany
11. Department of Electrical Measurements and Automation; Lund University; Sweden
12. Department of Geophysics; St. Petersburg State University; Russia
13. Institute for Electronics (ZEL); Forschungszentrum Jülich GmbH; Jülich Germany