Hata, Jun
Fukuhara, Masayo
Sakata, Satoko
Arima, Hisatomi
Hirakawa, Yoichiro
Yonemoto, Koji
Mukai, Naoko
Kitazono, Takanari
Kiyohara, Yutaka
Ninomiya, Toshiharu
Article History
Received: 11 January 2017
Revised: 23 May 2017
Accepted: 12 July 2017
First Online: 7 September 2017
Competing interests
: The authors declare no conflict of interest.
Free to read: This content has been made available to all.