1. Department of Forestry Science and Biodiversity, Faculty of Forestry and Environment, Universiti Putra Malaysia, Serdang, Malaysia
2. Institute of Tropical Forestry and Forest Products, Universiti Putra Malaysia, Serdang, Malaysia
3. Biodiversity Unit, Institute of Bioscience, Universiti Putra Malaysia, Serdang, Malaysia
4. School of Environmental and Geographical Sciences, University of Nottingham Malaysia Campus, Semenyih, Malaysia