Hashimoto, R
Ikeda, M
Yamashita, F
Ohi, K
Yamamori, H
Yasuda, Y
Fujimoto, M
Fukunaga, M
Nemoto, K
Takahashi, T
Tochigi, M
Onitsuka, T
Yamasue, H
Matsuo, K
Iidaka, T
Iwata, N
Suzuki, M
Takeda, M
Kasai, K
Ozaki, N
Article History
Received: 3 June 2014
Revised: 4 August 2014
Accepted: 31 August 2014
First Online: 21 October 2014
Competing interests
: The authors declare no conflict of interest.