Wada, Shun-ichi
Sawa, Ryuichi
Iwanami, Fumiki
Nagayoshi, Miho
Kubota, Yumiko
Iijima, Kiyoko
Hayashi, Chigusa
Shibuya, Yuko
Hatano, Masaki
Igarashi, Masayuki
Kawada, Manabu
Article History
Received: 31 May 2017
Revised: 9 July 2017
Accepted: 28 July 2017
First Online: 6 September 2017
Competing interests
: The authors declare no conflict of interest.
Free to read: This content has been made available to all.