1. Department of Geography, Ruhr-University Bochum, Bochum, Germany
2. Department of Geography, University of Bonn, Bonn, Germany
3. Astro- und Feinwerktechnik Adlershof GmbH, Berlin, Germany
4. Institute of Bio- and Geosciences, Plant Sciences (IBG-2), Forschungszentrum Jülich GmbH, Jülich, Germany
5. Department of Geophysics, University of Bonn, Bonn, Germany
6. CRN Management GmbH, Bonn, Germany
7. ZEBRIS GbR, Munich, Germany
8. German Remote Sensing Data Center (DFD), German Aerospace Center (DLR), Münchener, Oberpfaffenhofen, Germany
9. Department of Remote Sensing, University of Wuerzburg, Würzburg, Germany