Shimozawa, M.
Hashimoto, K. http://orcid.org/0000-0003-4651-4077
Ueda, A.
Suzuki, Y.
Sugii, K.
Yamada, S.
Imai, Y.
Kobayashi, R.
Itoh, K. http://orcid.org/0000-0001-6820-7241
Iguchi, S.
Naka, M.
Ishihara, S.
Mori, H.
Sasaki, T.
Yamashita, M.
Article History
Received: 16 February 2017
Accepted: 18 October 2017
First Online: 28 November 2017
Competing interests
: The authors declare no competing financial interests.