Funding for this research was provided by:
FP7 Ideas: European Research Council (242187)
Polish Ministry of Science (2203/7, PR/2011/2)
Odense University Free Research Fund
NIHR Clinical Research Network
Received: 5 July 2017
Accepted: 3 January 2018
First Online: 14 March 2018
Ethics approval and consent to participate
: Ethical approval was obtained from the local ethics committees of the participating healthcare institutions. The trial registration number was ISRCTN70595832.
: Not applicable.
: The authors declare that they have no competing interests.
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