1. School of GeoSciences University of Edinburgh Edinburgh UK
2. Tropical Diversity, Royal Botanic Garden Edinburgh Edinburgh UK
3. School of Earth and Environmental Sciences Cardiff University Cardiff UK
4. Institute of Earth Surface Dynamics University of Lausanne Lausanne Switzerland
5. Department of Anthropology The Pennsylvania State University University Park Pennsylvania USA
6. Institute of Geography and Sustainability University of Lausanne Lausanne Switzerland
7. Institutes of Energy and the Environment The Pennsylvania State University University Park Pennsylvania USA