1. Department of Geosciences, Universidad de Los Andes, Bogotá, Colombia
2. Department of Physics and Geosciences, Universidad del Norte, Barranquilla, Colombia
3. Center for Tropical Paleoecology and Archeology, Smithsonian Tropical Research Institute, Ancón, Panamá
4. Institute of Evolutionary Science of Montpellier, University of Montpellier, National Centre for Scientific Research, École Pratique des Hautes Études, Research Institute for Development, Montpellier, France
5. Department of Geology, Universidad de Salamanca, Salamanca, Spain
6. Earth and Space Sciences, University of Alberta, Edmonton, Alberta, Canada