Matsunaga, Wataru
Sanui, Masamitsu http://orcid.org/0000-0002-0184-0381
Sasabuchi, Yusuke
Kobayashi, Yasuma
Kitajima, Asuka
Yanase, Fumitaka
Takisawa, Yutaka
Lefor, Alan Kawarai
Article History
Received: 20 June 2019
Accepted: 9 October 2019
First Online: 31 October 2019
Ethics approval and consent to participate
: This study obtained exemption from Institutional Review Board (IRB) of Jichi Medical University, Saitama Medical Centre, and the need for informed consent was waived due to the nature of the study.
: Not applicable.
: The authors declare that they have no competing interests.