Nagano, Shiori
Takahashi, Maasa
Miyai, Nobuyuki
Oka, Mayumi
Utsumi, Miyoko
Shiba, Mitsuru
Mure, Kanae
Takeshita, Tatsuya
Arita, Mikio
Article History
Received: 11 October 2016
Revised: 12 December 2016
Accepted: 15 December 2016
First Online: 16 February 2017
Competing interests
: The authors declare no conflict of interest.
Free to read: This content has been made available to all.