1. Laboratory of Toxicology, Faculty of Veterinary Medicine, Hokkaido University, Hokkaido, Japan
2. Institute for Raptor Biomedicine Japan, Kushiro Shitsugen Wildlife Center, Hokkaido, Japan
3. Research Faculty of Agriculture, Hokkaido University, Hokkaido, Japan
4. Sapporo Maruyama Zoo, Hokkaido, Japan
5. Haboro Nature Conservation Office, Ministry of the Environment, Hokkaido, Japan
6. Faculty of Human Sciences, Waseda University, Saitama, Japan
7. Rishiri Natural History Institute, Hokkaido, Japan
8. Division of Collaboration and Education, International Institute for Zoonosis Control, Hokkaido University, Hokkaido, Japan
9. Department of Science and Technology for Biological Resources and Environment, Graduate School of Agriculture, Ehime University, Ehime, Japan
10. Water Research Group, School of Environmental Sciences and development, NorthWest University, Potchefstroom , South Africa