Funding for this research was provided by:
Received: 11 July 2019
Accepted: 20 April 2020
First Online: 6 May 2020
Ethics approval and consent to participate
: This study was carried out in accordance with the recommendation of experimental guidelines of Lund University with written informed consent from all subjects. Because of the informed consent and the hypothetical and non-intrusive nature of the study, no formal ethics committee were required to review the study as per the university’s guidelines and national regulations.
: Not applicable.