Onoue, Tetsuji
Sato, Honami
Yamashita, Daisuke
Ikehara, Minoru
Yasukawa, Kazutaka
Fujinaga, Koichiro
Kato, Yasuhiro
Matsuoka, Atsushi
Article History
Received: 3 February 2016
Accepted: 22 June 2016
First Online: 8 July 2016
Competing interests
: The authors declare no competing financial interests.