Article History
Received: 8 February 2019
Accepted: 28 April 2019
First Online: 10 May 2019
Compliance with ethical standards
:
: Mr. Rosenberg reports personal fees from C.R. Bard, Inc. and Merck and Co. outside the submitted work. Ms. Gamborg and Ms. Öberg have no conflicts of interest or financial ties to disclose.
: The study was approved by the Danish Protection Agency (journal-number: VD-2018-258). No ethical approval were needed according to danish law.
: This article does not contain any studies with human participants or animals performed by any of the authors.
: For this study, formal consent was not required.