Funding for this research was provided by:
the Grant for Joint Research Program of the Research Center for Zoonosis Control, Hokkaido University, from the Ministry of Education, Culture, Sports, Science and Technology, Japan.
the Research Grant from The Okawa Foundation
the Grant for Environmental Research Projects from The Sumitomo Foundation
Article History
Received: 25 May 2020
Accepted: 30 July 2020
First Online: 3 September 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.