Yanagi, Itaru
Hamamura, Hirotaka
Akahori, Rena
Takeda, Ken-ichi
Funding for this research was provided by:
Financial support for this study was provided by Hitachi, Ltd. I.Y., H.H., R.A. and K.T. are current employees of Hitachi, Ltd.
Article History
Received: 10 April 2018
Accepted: 22 June 2018
First Online: 4 July 2018
Competing Interests
: Financial support for this study was provided by Hitachi, Ltd. I.Y., H.H., R.A. and K.T. are current employees of Hitachi, Ltd.