About the Authors
Department of Global Epidemiology, Hokkaido University Research Center for Zoonosis Control, Sapporo, Hokkaido, Japan
Department of Veterinary Microbiology, Faculty of Agriculture, Tottori University, Tottori, Japan
Laboratory of Influenza Viruses, Department of Virology III, National Institute of Infectious Diseases, Musashimurayama, Tokyo, Japan
Laboratory of Microbiology, Department of Disease Control, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo, Hokkaido, Japan
The authors have declared that no competing interests exist.
Conceived and designed the experiments: RY AT. Performed the experiments: RY HO NK DT AT. Analyzed the data: RY MI HK KI AT. Wrote the paper: RY MI HO AT. Performed the molecular modeling: MI.