Hariya, Takehiro
Maruyama, Kazuichi
Sugita, Sunao
Takahashi, Masayo
Yokokura, Shunji
Sato, Kota
Tomaru, Yasuhiro
Shimizu, Norio
Nakazawa, Toru
Article History
Received: 28 December 2016
Accepted: 12 June 2017
First Online: 20 July 2017
Competing Interests
: The authors declare that they have no competing interests.