Schmidt, L.
Andresen, K.
Öberg, S.
Rosenberg, J.
Article History
Received: 16 June 2018
Accepted: 27 July 2018
First Online: 1 August 2018
Compliance with ethical standards
:
: Schmidt and Öberg declare that they have no conflict of interest. Andresen reports personal fees from Bard outside the submitted work. Rosenberg reports personal fees from Bard and Merck outside the submitted work.
: This study was approved by the Danish Data Protection Agency (Journal No. 2712-58-0004). According to Danish Law, no approval from the ethics committee was required for this type of study.
: Human and/or animal rights were not violated.
: Informed consent was given by the participants when replying the questionnaire.