1. CEACTEMA and Department of Geology University of Jaén Campus Universitario Jaén Spain
2. Department of Geography, Geology and the Environment Kingston University London Kingston upon Thames UK
3. Department of Earth Sciences ETH Zürich Zürich Switzerland
4. Organic Geochemistry Unit School of Earth Sciences School of Chemistry and Cabot Institute for the Environment University of Bristol Bristol UK
5. Independent Researcher Milton Keynes UK
6. Centro Oceanográfico de Málaga Spanish Institute of Oceanography (IEO) Fuengirola Spain