Aisu, Hiroe
Saito, Makoto
Inaba, Shinji
Morofuji, Toru
Takahashi, Kayo
Sumimoto, Takumi
Okura, Takafumi
Higaki, Jitsuo
Article History
Received: 10 May 2016
Revised: 25 July 2016
Accepted: 4 August 2016
First Online: 1 September 2016
Competing interests
: The authors declare no conflict of interest.
Free to read: This content has been made available to all.