Received: 1 August 2021
Accepted: 30 September 2021
First Online: 7 October 2021
: The study was approved by the Ethics Board of Yokohama City University Hospital (approval number: B181000027; November 22, 2018), which approved an opt-out method of informed consent. The trial was registered with the University Medical Information Network Clinical Trials Registry (UMIN000036549; April 19, 2019) before data collection.
: Not applicable.
: The authors declare that they have no competing interests.