1. Institute of Biological Sciences, Faculty of Science, Universiti Malaya
2. Forestry Division, Japan International Research Center for Agricultural Sciences
3. Department of Biology, Faculty of Science, Kyushu University
4. Forestry Biotechnology Division, Forest Research Institute Malaysia
5. Shikoku Research Center, Forestry and Forest Products Research Institute, Forestry Research and Management Organization
6. Bio-Resources and Utilization Division, Japan International Research Center for Agricultural Sciences