Kobayashi, Masanori
Oshima, Shigeru
Maeyashiki, Chiaki
Nibe, Yoichi
Otsubo, Kana
Matsuzawa, Yu
Nemoto, Yasuhiro
Nagaishi, Takashi
Okamoto, Ryuichi
Tsuchiya, Kiichiro
Nakamura, Tetsuya
Watanabe, Mamoru
Article History
Received: 20 July 2016
Accepted: 20 October 2016
First Online: 10 November 2016
Competing interests
: The authors declare no competing financial interests.