Tetsunaga, Tomonori
Yamada, Kazuki
Tetsunaga, Tomoko
Sanki, Tomoaki
Kawamura, Yoshi
Ozaki, Toshifumi
Article History
Received: 14 December 2019
Accepted: 3 April 2020
First Online: 15 April 2020
Ethics approval and consent to participate
: This research was approved by the ethics committee of the Okayama University.
: Not applicable.
: The authors declare that they have no competing interests.