Nagao, Shoji http://orcid.org/0000-0003-4031-8091
Yamamoto, Kasumi
Oishi, Tetsuro
Yamaguchi, Satoshi
Takehara, Kazuhiro
Shimada, Muneaki
Kigawa, Junzo
Article History
Received: 6 April 2020
Accepted: 13 September 2020
First Online: 22 September 2020
Compliance with ethical standards
:
: None of the authors report a conflict of interest.
: The protocol was approved by the local ethics committee of each participating center before initiating clinical trial recruitment. All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.