1. Bigelow Laboratory for Ocean Sciences; West Boothbay Harbor Maine USA
2. Département de Biologie et Centre d'Études Nordiques; Université Laval; Sainte-Foy, Québec Canada
3. National Institute of Water and Atmospheric Research (NIWA); Christchurch New Zealand
4. National Institute of Water and Atmospheric Research (NIWA); Hamilton New Zealand
5. Lake Biwa Research Institute; Otsu Japan