Funding for this research was provided by:
Japan Society for the Promotion of Science (JSPS KAKENHI Grant Number JP19K07178)
Received: 25 January 2021
Accepted: 9 April 2021
First Online: 26 April 2021
: Approval of the study was obtained from the Danish Data Protection Agency through the joint notification of The Faculty of Health and Medical Sciences at The University of Copenhagen (SUND-2017-09) and the DNBC Steering Committee (2017–23).
: Not applicable.
: The authors declare that they have no competing interests.