1. GFZ German Research Centre for Geosciences; Potsdam Germany
2. Institute of Earth and Environmental Science; Potsdam University; Potsdam Germany
3. Department of Geology, Geochemistry of Petroleum and Coal; RWTH Aachen University; Aachen Germany
4. New Ventures, Upstream International; Shell International Exploration and Production B.V.; The Hague Netherlands
5. Institute of Geology, Mineralogy and Geophysics; Ruhr-Universität Bochum; Bochum Germany