1. School of Environment and Science, Griffith University, Gold Coast, Australia
2. Griffith Institute for Drug Discovery, Griffith University, Brisbane, Australia
3. School of Chemical Sciences, University of Auckland, Auckland, New Zealand
4. Natural Products Branch, Developmental Therapeutics Program, Division of Cancer Treatment and Diagnosis, and Molecular Targets Program, Center for Cancer Research, National Cancer Institute, Frederick, MD, USA
5. Centre for Biodiscovery, and School of Chemical and Physical Sciences, Victoria University of Wellington, Wellington, New Zealand
6. School of Science, University of Waikato, Hamilton, New Zealand