1. Graduate School, Khon Kaen University, Khon Kaen, Thailand
2. Centre for Research and Development of Medical Diagnostic Laboratories, Faculty of Associated Medical Sciences, Khon Kaen University, Khon Kaen, Thailand
3. Melatonin Research Group, Khon Kaen University, Khon Kaen, Thailand
4. Department of Pathology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
5. Synchrotron Light Research Institute (Public Organization), Nakhon Ratchasima, Thailand
6. National Synchrotron Radiation Research Center, Hsinchu, Taiwan, China
7. Department of Pharmaceutical Toxicology, Faculty of Pharmaceutical Sciences, Khon Kaen University, Khon Kaen, Thailand
8. Department of Biochemistry, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand