Tsukamoto, Masanori
Taura, Shiori
Yamanaka, Hitoshi
Hitosugi, Takashi
Yokoyama, Takeshi
Article History
Received: 29 April 2019
Accepted: 10 August 2020
First Online: 17 August 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: 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.
: For this type of study, formal consent is not required.