1. Division of Pharmaceutical Chemistry, Faculty of Pharmaceutical Sciences, Khon Kaen University, Khon Kaen 40002, Thailand
2. Graduate School in the Program of Pharmaceutical Chemistry and Natural Products, Pharmaceutical Sciences, Faculty of Pharmaceutical Sciences, Khon Kaen University, Khon Kaen 40002, Thailand
3. Doctor of Pharmacy Program, Faculty of Pharmaceutical Sciences, Khon Kaen University, Khon Kaen 40002, Thailand