Yanagisawa, M
Aida, T
Takeda, T
Namekata, K
Harada, T http://orcid.org/0000-0001-6167-0997
Shinagawa, R
Tanaka, K
Article History
Received: 5 August 2014
Revised: 22 January 2015
Accepted: 23 January 2015
First Online: 19 March 2015
Competing interests
: The authors declare no conflict of interest.