Nakagiri, Nariyuki
Sato, Kazunori
Sakisaka, Yukio
Tainaka, Kei-ichi
Funding for this research was provided by:
Covid-19 research project in University of Hyogo (Number 18)
grants-in-aid from the Ministry of Education, Culture, Sports Science and Technology of Japan (Grant Number 18K11466)
Article History
Received: 10 May 2021
Accepted: 21 December 2021
First Online: 14 January 2022
Competing interests
: The authors declare no competing interests.