Sayama, Keimon
Yuki, Katsuyuki
Sugata, Keiichi
Fukagawa, Satoko
Yamamoto, Tetsuji
Ikeda, Shigaku
Murase, Takatoshi
Funding for this research was provided by:
Kao Corporation
Article History
Received: 17 July 2020
Accepted: 1 December 2020
First Online: 11 January 2021
Competing interests
: The authors declare no competing interests.