Kimura, Taeko
Hosokawa, Tomohisa
Taoka, Masato
Tsutsumi, Koji
Ando, Kanae
Ishiguro, Koichi
Hosokawa, Masato
Hasegawa, Masato
Hisanaga, Shin-ichi
Article History
Received: 11 March 2016
Accepted: 24 August 2016
First Online: 19 September 2016
Competing interests
: The authors declare no competing financial interests.