Matsumoto, Shoko http://orcid.org/0000-0002-4518-2704
Yamaoka, Kazue
Takahashi, Kenzo
Tanuma, Junko
Mizushima, Daisuke
Do, Cuong Duy
Nguyen, Dung Thi
Nguyen, Hoai Dung Thi
Nguyen, Kinh Van
Oka, Shinichi
Article History
Received: 6 July 2017
Accepted: 2 November 2017
First Online: 14 November 2017
Competing Interests
: The authors declare that they have no competing interests.