Yokozuka, Mieko
Sato, Sei
Article History
Received: 4 October 2020
Accepted: 3 March 2021
First Online: 12 March 2021
Declarations
:
: The study was approved by our University Ethics Committee (approval number 30293).Written informed consent was obtained from all participants.
: Not applicable.
: Sei Sato was employed by one of the healthcare facilities. The other author declares no conflict of interest.