Received: 28 March 2022
Accepted: 21 November 2022
First Online: 3 December 2022
: The Ethics Committee of Medical Research (Kenkyu Rinri Iinkai) which belongs to Shimonoseki City Hospital approved the current study with the reference number 2022SCHEC-36. Thereby, the need for informed consent was waived in accordance with the Chapter 5, Part 12, B. Research not involving invasiveness, (b) Research not involving intervention of the Ethical Guideline from the Ministry of Education, Culture, Sports, Science and Technology, Japan [CitationRef removed].
: Not applicable.
: The authors declare that they have no competing interests.