Funding for this research was provided by:
Augustinus Fonden (n/a)
Dagmar Marshalls Fond (n/a)
C C Klestrup and Henriette Klestrup Memory Grant (n/a)
Received: 30 October 2019
Accepted: 13 April 2020
First Online: 21 April 2020
Consent for publication
: Not applicable as no data about individual persons is presented.
: The authors declare that they have no competing interests in this section.