1 Freshwater & Invasion Biology Laboratory, Department of Biological Sciences, National University of Singapore, 14 Science Drive 4, Singapore 117543, Singapore.
2 Mass Spectrometry Research Centre (MSRC), Department of Physical Sciences, Cork Institute of Technology (CIT), Bishopstown, Cork, Ireland.
3 Freshwater & Invasion Biology Laboratory, Department of Biological Sciences, National University of Singapore, 14 Science Drive 4, Singapore 117543, Singapore; Applied Ecology Team, School of Life Sciences, University of Technology, Sydney, PO Box 123, Broadway, NSW 2007, Australia.
4 Applied Ecology Team, School of Life Sciences, University of Technology, Sydney, PO Box 123, Broadway, NSW 2007, Australia.
5 Freshwater & Invasion Biology Laboratory, Department of Biological Sciences, National University of Singapore, 14 Science Drive 4, Singapore 117543, Singapore. Electronic address: darrenyeo@nus.edu.sg.