Miyazaki, Motoyasu
Matsuo, Koichi
Uchiyama, Masanobu
Nakamura, Yoshihiko
Sakamoto, Yuya
Misaki, Momoko
Tokura, Kaoko
Jimi, Shiro
Okamura, Keisuke
Adachi, Sen
Yamamoto, Tomohiko
Shirai, Kazuyuki
Urata, Hidenori
Imakyure, Osamu
Article History
Received: 6 November 2019
Accepted: 20 January 2020
First Online: 11 February 2020
Ethics approval and consent to participate
: The Fukuoka University-Medical Ethics Review Board approved the study protocol (approval number R17–059) and waived the requirement to obtain written informed consent from the patients because of the retrospective nature of the study. All methods were performed in accordance with the relevant guidelines and regulations.
: Not applicable.
: The author(s) declare no competing interests.