Nakayama, Akiyoshi
Matsuo, Hirotaka
Nakaoka, Hirofumi
Nakamura, Takahiro
Nakashima, Hiroshi
Takada, Yuzo
Oikawa, Yuji
Takada, Tappei
Sakiyama, Masayuki
Shimizu, Seiko
Kawamura, Yusuke
Chiba, Toshinori
Abe, Junko
Wakai, Kenji
Kawai, Sayo
Okada, Rieko
Tamura, Takashi
Shichijo, Yuka
Akashi, Airi
Suzuki, Hiroshi
Hosoya, Tatsuo
Sakurai, Yutaka
Ichida, Kimiyoshi
Shinomiya, Nariyoshi
Article History
Received: 28 April 2014
Accepted: 21 May 2014
First Online: 9 June 2014
Competing interests
: There is potential competing interest: H.M., T.N., T. Takada, K.I. and N.S. have a patent pending based on the work reported in this paper. The other authors declare that they have no conflict of interest.