1. Graduate School of Biomedical Sciences, Hiroshima University
2. Subtropical Field Science Center, Faculty of Agriculture, University of the Ryukyus
3. Iriomote Station, Tropical Biosphere Research Center, Unuversity of the Ryukyus
4. Faculty of Integrated Arts and Sciences, The University of Tokushima
5. Department of Pharmaceutical Botany and Pharmacognosy, Faculty of Pharmaceutical, Khon Kaen University