Hata, Akihiko http://orcid.org/0000-0002-9372-5013
Kitajima, Masaaki
Haramoto, Eiji http://orcid.org/0000-0002-0126-0651
Lee, Suntae http://orcid.org/0000-0003-0013-8002
Ihara, Masaru
Gerba, Charles P.
Tanaka, Hiroaki
Article History
Received: 23 April 2018
Accepted: 25 July 2018
First Online: 7 August 2018
Competing Interests
: The authors declare no competing interests.