Funding for this research was provided by:
Japan Agency for Medical Research and Development (JP17mk0104044, JP20mk0104118)
Japan Ministry of Health, Labor and Welfare (Promotion of acquisition of international standards such as innovative medical equipment)
Article History
Received: 25 June 2020
Accepted: 16 December 2020
First Online: 18 February 2021
Ethics approval and consent to participate
: Not applicable.
: Not applicable.
: The authors declare no competing or financial interests.