1. Faculty of Science, Department of Chemistry, and Center for Innovation in Chemistry, Khon Kaen University, Khon Kaen, Thailand
2. Faculty of Science, Natural Products Research Unit, Department of Chemistry and Center of Excellence for Innovation in Chemistry, Khon Kaen University, Khon Kaen, Thailand
3. Faculty of Science, Materials Chemistry Research Unit, Department of Chemistry and Center of Excellence for Innovation in Chemistry, Khon Kaen University, Khon Kaen, Thailand
4. Faculty of Medical Science, Nakhonratchasima College, Nakhonratchasima, Thailand
5. Faculty of Science, Department of Microbiology, Khon Kaen University, Khon Kaen, Thailand