1. Cholangiocarcinoma Research Institute, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand;
2. Department of Parasitology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand;
3. Department of Science, Faculty of Science and Engineering, Kasetsart University, Chalermphrakiat Sakon Nakhon Province Campus, Sakon Nakhon, Thailand;
4. Imperial College London, Faculty of Medicine, St Mary’s Campus, London, United Kingdom;
5. Cholangiocarcinoma Screening and Care Program (CASCAP), Khon Kaen University, Thailand;
6. State Museum of Natural History Karlsruhe, Evolution and Paleontology, Karlsruhe, Germany