1. Department of Parasitology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
2. Liver Fluke and Cholangiocarcinoma Research Center, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
3. Department of Veterinary Technology, Faculty of Veterinary Technology, Kasetsart University, Bangkok, Thailand
4. Department of Clinical Pathology, Faculty of Medicine Vajira Hospital, Navamindradhiraj University, Bangkok 10300, Thailand
5. Centre for Research and Development of Medical Diagnostic Laboratories, Faculty of Associated Medical Sciences, Khon Kaen University, Khon Kaen, Thailand
6. Department of Pathology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
7. Department of Surgery, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand