Namiki, Yoshihisa
Ueyama, Toshihiko
Yoshida, Takayuki
Watanabe, Ryoei
Koido, Shigeo
Namiki, Tamami
Article History
Received: 12 May 2014
Accepted: 21 August 2014
First Online: 5 September 2014
Competing interests
: Yes there is a potential Competing Interest. We have received a research grant (DOWA Techno Fund: JPY 1,7500,000) from DOWA Holdings Co., Ltd. for the initial phases of this study.