1. Department of Biochemistry; Faculty of Medicine; Khon Kaen University; 123 Mitraparb Road Khon Kaen 40002 Thailand
2. Liver Fluke and Cholangiocarcinoma Research Center; Faculty of Medicine; Khon Kaen University; Khon Kaen Thailand
3. Division of Hematopoiesis; Center for AIDS Research; Kumamoto University; Kumamoto Japan
4. Department of Forensic Medicine; Faculty of Medicine; Khon Kaen University; Khon Kaen Thailand
5. Department of Surgery; Faculty of Medicine; Khon Kaen University; Khon Kaen Thailand