About the Authors
- Yorihiro Nishimura, Takaji Wakita, Hiroyuki Shimizu
- Department of Virology II, National Institute of Infectious Diseases, Musashimurayama-shi, Tokyo, Japan
The authors have declared that no competing interests exist.
Conceived and designed the experiments: YN. Performed the experiments: YN. Analyzed the data: YN TW HS. Contributed reagents/materials/analysis tools: YN HS. Wrote the paper: YN TW HS.