Yamamoto, Kenkichi
Hiraishi, Makiko
Haneoka, Mai
Fujinaka, Hidetake
Yano, Yoshitaka
Funding for this research was provided by:
Kao Corporation
Article History
Received: 17 September 2021
Accepted: 12 December 2021
First Online: 20 December 2021
Declarations
:
: All participants provided written informed consent prior to their participation in the study. The Ethics Committee of the Kao Corporation approved the study (approval number:12-10), which followed the tenets of the Declaration of Helsinki.
: Not applicable.
: The authors declare that they have no competing interests.