Kono, Yusuke
Saito, Hiroaki
Murakami, Yuki
Shishido, Yuji
Kuroda, Hirohiko
Matsunaga, Tomoyuki
Yamamoto, Manabu
Fukumoto, Yoji
Osaki, Tomohiro
Ashida, Keigo
Fujiwara, Yoshiyuki
Article History
Received: 22 June 2018
Accepted: 7 September 2018
First Online: 13 October 2018
Compliance with ethical standards
:
: We have no real or potential conflicts of interest to declare.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.