Received: 10 February 2021
Accepted: 16 August 2021
First Online: 28 August 2021
: All procedures performed in studies involving human participants were in accordance with the ethical committee of Kansai Medical University (approval number: 2017268) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. All participants were above 18 years of age, and provided their written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.