Article History
Received: 31 October 2020
Accepted: 20 January 2021
First Online: 8 February 2021
Compliance with ethical standards
:
: The authors declare that they have no competing interests.
: This study was approved by the Ethics Committee at Daini Osaka Police Hospital (1025) and was conducted according to the ethical principles of the Declaration of Helsinki.
: Informed consent was obtained from all individual participants included in the study.
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