Funding for this research was provided by:
Velux Stiftung (17/1163)
Received: 22 December 2020
Accepted: 2 February 2021
First Online: 9 February 2021
Ethics approval and consent to participate
: The study has been approved by the Cantonal Ethics Committee Bern, Switzerland (Reference number 2019–00958). All participants will need to provide written informed consent prior to participation.
: Not applicable.
: There are no conflicts of interest.