1. Department of Parasitology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
2. Cholangiocarcinoma Research Institute, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
3. Department of Biochemistry, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
4. Faculty of Associated Medical Sciences, Khon Kaen University, Khon Kaen, Thailand