About the Authors
Division of Global Epidemiology, Hokkaido University Research Center for Zoonosis Control, Sapporo, Hokkaido, Japan
Leprosy Research Center, National Institute of Infectious Diseases, Higashimurayama, Tokyo, Japan
JST/JICA-SATREPS, Tokyo, Japan
The authors have declared that no competing interests exist.
Conceived and designed the experiments: TM MM CN YS. Performed the experiments: KY HK CN. Analyzed the data: KY CN YS. Contributed reagents/materials/analysis tools: KY TM MM. Wrote the paper: KY TM MM CN YS.