Koinuma, Hiroaki
Miyazaki, Akio
Wakaki, Renya
Fujimoto, Yuji
Iwabuchi, Nozomu
Nijo, Takamichi
Kitazawa, Yugo
Shigaki, Toshiro
Maejima, Kensaku
Yamaji, Yasuyuki
Namba, Shigetou
Article History
Received: 20 December 2017
Accepted: 6 February 2018
First Online: 17 May 2018
Compliance with ethical standards
: This article does not contain any studies with human participants or animals performed by any of the authors.
: The authors declare that they have no conflict of interest.