Article History
Received: 27 April 2020
Accepted: 12 August 2020
First Online: 20 August 2020
Compliance with ethical standards
:
: All authors declare that they have no conflict of interest
: All procedures performed during studies involving human participants were in accordance with the ethical standards of the institution (Hamamatsu University School of Medicine, No. 19–261) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.