1. Quaternary Environments and Geoarchaeology Research Group, Department of Geography University of Manchester Manchester UK
2. Muséum national d'Histoire naturelle UMR 7194 Histoire Naturelle de l'Homme Préhistorique Paris France
3. School of Geography and Sustainable Development University of St Andrews St Andrews UK
4. Instituto de Investigaciones de la Amazonía Peruana Iquitos Peru
5. Carbon and Wetlands Group, Faculty of Science Charles University Prague Czech Republic
6. School of GeoSciences University of Edinburgh Edinburgh UK