Kasahara, Norimitsu
Sunaga, Noriaki
Kuwako, Tomohito
Naruse, Ichiro
Imai, Hisao
Jingu, Asuka
Tsukagoshi, Yusuke
Masuda, Tomomi
Kitahara, Shinsuke
Tsurumaki, Hiroaki
Yatomi, Masakiyo
Hara, Kenichiro
Koga, Yasuhiko
Sakurai, Reiko
Mori, Keita
Kaira, Kyoichi
Maeno, Toshitaka
Asao, Takayuki
Hisada, Takeshi
Article History
Received: 7 October 2019
Accepted: 17 January 2020
First Online: 25 January 2020
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.
: All procedures performed in this study involving human participants were in accordance with the institutional review board of Gunma University Hospital (protocol number 1499) and with the 1964 declaration of Helsinki and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.