1. Stable Isotope Research Group, Chemistry Department; National University of Costa Rica; Heredia Costa Rica
2. Climatic Change and Climate Impacts; Institute for Environmental Sciences, University of Geneva; Geneva Switzerland
3. Dendrolab.ch; Institute for Environmental Sciences, University of Geneva; Geneva Switzerland
4. Geography Department; University of Costa Rica; San José Costa Rica
5. Departamento de Recursos Hídricos y Ciencias Ambientales y Facultad de Ingeniería; Universidad de Cuenca; Cuenca Ecuador
6. Institute for Landscape Ecology and Resources Management (ILR), Research Centre for BioSystems, Land Use and Nutrition (IFZ); Justus Liebig University Giessen; Giessen Germany
7. Northern Rivers Institute; University of Aberdeen; Aberdeen UK
8. Civil and Environmental Engineering; Washington State University; Pullman Washington