1. Research Center for Biomaterials LIPI, Indonesia
2. Department of Forest Product, Faculty of Forestry, Universitas Sumatera Utara, Medan, Indonesia
3. Research Center for Biology LIPI, Indonesia
4. Department of Forest Products, Faculty of Forestry and Environment, IPB University, Bogor, Indonesia
5. Research Centre for Metallurgy and Materials LIPI, Indonesia
6. Solar Energy Research Institute, Universiti Kebangsaan Malaysia, Bangi, Malaysia
7. Conversion and Conservation, National Research and Innovation Agency (BRIN)Research Center for Energy, Indonesia