1. Stable Isotopes and Instrumental Analysis Facility (SIIAF), Center for Environmental Biology, Faculty of Sciences, Ed. C2, Room 2.1.16, University of Lisbon, Campo Grande, 1749-016 Lisbon, Portugal
2. Chemistry and Biochemistry Department and Centre of Chemistry and Biochemistry, Chromatography and Capillary Electrophoresis Laboratory, Faculty of Sciences, Ed. C8, University of Lisbon, Campo Grande, 1749-016 Lisbon, Portugal
3. Department of Chemistry Research group of Analytical Chemistry, VIRIS Laboratory, University of Natural Resources and Life Sciences (BOKU-UFT), Konrad Lorenz Strasse 24, A-3430 Tulln, Austria
4. Coffea Consulting, 1418 Mokuna Place, Honolulu, Hawaii 96816, United States
5. Department of Earth and Atmospheric Sciences, Purdue Climate Change Research Center, Purdue University, 550 Stadium Mall Drive, West Lafayette, Indiana 47907, United States
6. Department of Molecular Biosciences and Biosystems Engineering, University of Hawaii, 1955 EastWest Road, Honolulu, Hawaii 96822, United States