Hara, Satoshi
Tamano, Moe
Yamashita, Satoshi
Kato, Tomoko
Saito, Takeshi
Sakuma, Tetsushi
Yamamoto, Takashi
Inui, Masafumi
Takada, Shuji
Article History
Received: 19 November 2014
Accepted: 12 May 2015
First Online: 9 June 2015
Competing interests
: The authors declare no competing financial interests.