Yasunami, Michio http://orcid.org/0000-0002-6947-6168
Nakamura, Hitomi
Tokunaga, Katsushi
Kawashima, Minae
Nishida, Nao
Hitomi, Yuki
Nakamura, Minoru
Article History
Received: 31 May 2017
Accepted: 21 August 2017
First Online: 11 September 2017
Competing Interests
: The authors declare that they have no competing interests.