1. Biodiversity and Conservation Science Department of Biodiversity, Conservation and Attractions Kensington Western Australia Australia
2. Environmental and Conservation Sciences Murdoch University Perth Western Australia Australia
3. Aquatic Megafauna Research Unit Centre for Sustainable Aquatic Ecosystems Harry Butler Institute Murdoch University Perth Western Australia Australia
4. Heliguy Scientific Pty. Ltd Sydney New South Wales Australia
5. Independent Consultant Zurich Switzerland
6. Marine Predator Research Group Department of Biological Sciences Macquarie University Sydney New South Wales Australia