1. Trees, Chinese Academy of ForestryResearch Institute of Fast-growing, Zhanjiang, Guangdong, China
2. Salwood Asia Pacific Pty Ltd, Canberra, Australian Capital Territory, Australia
3. Department of Forestry, Ministry of Agriculture and Forestry, Vientiane, Lao People’s Democratic Republic
4. Institute for Forest Tree Breeding and Genetics, Hanoi, Vietnam