Sugihara, Takeru
Nakagawa, Shunsuke
Sasajima, Yuko
Ichinose, Takayuki
Hiraike, Haruko
Kondo, Fukuo
Uozaki, Hiroshi
Fukusato, Toshio
Ayabe, Takuya
Article History
Received: 30 May 2015
Revised: 4 October 2015
Accepted: 13 January 2016
First Online: 22 March 2016
Change Date: 26 April 2016
Change Type: Update
Change Details: This paper was modified 12 months after initial publication to switch to Creative Commons licence terms, as noted at publication
Competing interests
: The authors declare no conflict of interest.