1. Stable Isotopes Research Group and Water Resources Management Laboratory, Universidad Nacional Costa Rica, Heredia, Costa Rica
2. Department of Soil and Physical Sciences, Lincoln University, Lincoln, New Zealand
3. Hellenic Centre for Marine Research, Anavissos Attikis, Greece
4. Department of Earth and Environmental Sciences, University of Texas, Arlington, TX, USA
5. International Atomic Energy Agency, Isotope Hydrology Section, Vienna International Centre, Vienna, Austria
6. Water Research Institute, National Research Council (CNR-IRSA), Brugherio, MB, Italy
7. Faculty of Environmental Science & Engineering, Southern Cross University, Lismore, NSW, Australia
8. Instituto de Pesquisas Energéticas e Nucleares, IPEN/CNEN, Cidade Universitária, São Paulo, SP, Brazil
9. Environmental Science Research Center, Faculty of Science, Chiang Mai University, Chiang Mai, Thailand
10. Institute at Brown for Environment and Society, Brown University, Providence, RI, USA
11. WasserCluster Lunz, Lunz am See, Austria