Chiba, Satoru
Article History
Received: 10 August 2020
Accepted: 16 November 2020
First Online: 9 December 2020
Compliance with ethical guidelines
:
: S. Chiba declares that he has no competing interests.
: This study was approved by the Ethics in Research Committee of Sapporo Suzuki Hospital (No. 2020-001, 14 February 2020) and the procedures were in accordance with institutional guidelines. Verbal informed consent was obtained from each study patient. Before analyzing the data all identifiable information was deleted and specific individuals cannot be identified by these data. Therefore, this was approved by the ethics committee.
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