Hayashi, Makoto
Shinozuka, Yuko
Shigenobu, Shuji
Sato, Masanao
Sugimoto, Michihiko
Ito, Seiji
Abe, Kuniya
Kobayashi, Satoru
Article History
Received: 18 August 2016
Accepted: 30 November 2016
First Online: 6 January 2017
Competing interests
: The authors declare no competing financial interests.