1. Graduate School in the Program of Pharmaceutical Chemistry and Natural Products, Faculty of Pharmaceutical Sciences, Khon Kaen University, Khon Kaen 40002, Thailand
2. Division of Pharmaceutical Chemistry, Faculty of Pharmaceutical Sciences, Khon Kaen University, Khon Kaen 40002, Thailand
3. Human High Performance and Health Promotion Research Institute, Khon Kaen University, Khon Kaen 40002, Thailand