Article History
Received: 4 April 2021
Accepted: 19 April 2021
First Online: 29 April 2021
Declarations
:
: The study protocol was approved by the Institutional Ethics Committee of the Yokohama City University School of Medicine (B180700010). 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.
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: None.