1. Australian Tree Seed Centre, Commonwealth Scientific and Industrial Research Organisation (CSIRO), Canberra, Australia
2. Department of Chemistry, University of New South Wales, Sydney, Australia
3. Silviculture Research Division, Ministry of Forests, Suva, Fiji
4. Forestry Division, Ministry of Agriculture and Food, Forests and Fisheries, Nuku’alofa, Tonga
5. Australian Centre for Pacific Islands Research, University of the Sunshine Coast, Sippy Downs, Australia