Article History
Received: 11 October 2018
Accepted: 22 February 2019
First Online: 28 February 2019
Compliance with ethical standards
:
: SGJ declares no conflicts of interest. SÖ declares no conflicts of interest. JR declares personal fees from Bard and Merck outside this work.
: No ethical approval was necessary according to Danish law.
: This article does not contain any studies with human participants performed by any of the authors.
: No informed consent was necessary according to Danish law.