Received: 26 April 2019
Accepted: 16 October 2019
First Online: 5 November 2019
Ethics approval and consent to participate
: The study was approved by the Regional Ethical Review Board at Lund University, Sweden (No. 2015/174, 2016/189) and conforms to the principles outlined in the Declaration of Helsinki [CitationRef removed]. All participants received written and verbal information about the study and the voluntariness, confidentiality, and possibility to withdraw at any time. The participants gave written consent to participate and chose the time and place for the interviews.
: Not applicable.
: The authors declare that they have no competing interests.