Funding for this research was provided by:
Current study not funded (0000)
Text and Data Mining valid from 2020-04-23
Received: 27 January 2020
Accepted: 3 April 2020
First Online: 23 April 2020
Ethics approval and consent to participate
: The original study protocol was approved by the Danish Data Protection Agency as well as the Central Danish Region Committees on Health Research Ethics (ref. number M-2010015). The study was carried out according to the Declaration of Helsinki Principles and registered at: ExternalRef removed as NCT01187095.
: Not applicable.
: The authors have nothing to disclose.