Funding for this research was provided by:
Kræftens Bekæmpelse (R113-A7084-14-S34)
Text and Data Mining valid from 2019-11-20
Received: 10 April 2019
Accepted: 8 November 2019
First Online: 20 November 2019
Ethics approval and consent to participate
: The study was approved by the Danish Data Protection Agency (File number, 2015-41-4190). In Denmark, questionnaire- and interview-based studies are exempt from national ethical review board approval. All participants completed informed consent. The study was registered at Clinicaltrials.gov (Clinicaltrials.gov identifier NCT02996201).
: Not applicable.
: The authors declare that they have no competing interests.