1. School of Chemistry, Institute of Science, Suranaree University of Technology, Nakhon Ratchasima 30000, Thailand
2. School of Pathology, Institute of Science, Suranaree University of Technology, Nakhon Ratchasima 30000, Thailand
3. Department of Biochemistry, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand