Tanaka, N
Araki, K
Mizokami, D
Miyagawa, Y
Yamashita, T
Tomifuji, M
Ueda, Y
Inoue, M
Matsushita, K
Nomura, F
Shimada, H http://orcid.org/0000-0002-1990-8217
Shiotani, A
Article History
Received: 12 June 2014
Revised: 3 October 2014
Accepted: 20 November 2014
First Online: 15 January 2015
Competing interests
: The authors declare no conflict of interest.