Hayama, Tamuro
Ozawa, Tsuyoshi
Okada, Yuka
Tsukamoto, Mitsuo
Fukushima, Yoshihisa
Shimada, Ryu
Nozawa, Keijiro
Matsuda, Keiji
Fujii, Shoichi
Hashiguchi, Yojiro
Funding for this research was provided by:
21th Fujii Tomoko academic encouragement award
Article History
Received: 22 April 2020
Accepted: 21 July 2020
First Online: 6 August 2020
Competing interests
: The authors declare no competing interests.