Nakamura, Megumi
Wada, Motoshi
Fukuzawa, Taichi
Tanaka, Hiromu
Kudo, Hironori
Ando, Ryo
Yamaki, Satoshi
Watanabe, Tomohiko
Tada, Keisuke
Nakajima, Yudai
Nio, Masaki
Article History
Accepted: 18 October 2018
First Online: 2 November 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This study was approved by the ethics committee of Tohoku University Graduate School of Medicine and has, therefore, been performed in accordance with the ethical standards laid down in the Declaration of Helsinki, 1964, and its later amendments.