1. Cawthron Institute, Private Bag 2, Nelson 7040, New Zealand
2. New Zealand Food Safety Science and Research Centre, Massey University, Private Bag 11 222, Palmerston North 4442, New Zealand
3. AgResearch, Ruakura Research Centre, Private Bag 3123, Hamilton 3240, New Zealand
4. Biotoxin Metrology, National Research Council Canada, 1411 Oxford Street, Halifax, NS B3H 3Z1, Canada
5. Japan Fisheries Research and Education Agency, 2-17-5 Maruishi, Hatsukaichi 739-0452, Hiroshima, Japan
6. Faculty of Agriculture and Marine Science, Kochi University, 200 Otsu, Monobe, Nankoku 783-8502, Kochi, Japan
7. School of Science, University of Waikato, Private Bag 3105, Hamilton 3240, New Zealand