Funding for this research was provided by:
European Union's Seventh Framework Programme for Health (603264)
Text and Data Mining valid from 2018-07-03
Received: 17 March 2018
Accepted: 21 June 2018
First Online: 3 July 2018
Ethics approval and consent to participate
: Ethics approval was granted in Austria (Ethical commission of the Medical University of Vienna, ID: 1954/2014), Slovenia (Republic of Slovenia National Medical Ethics Committee, ID: 83/01/15), Finland (The Ethical Board at THL, ID: 8/2014 (§660-§671), Romania (The Ethics Committee of the NSPHMPD, ID: 4907/19.12.2013); Norway (Regional Committee for Medical and Health Research Ethics in Middle-Norway (REC), ID: 2016/2013), Italy (Ethics Committee of Provinces of Verona and Rovigo, ID: 979 CESC, on July 20, 2016 Committee Session). All participants provided written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.
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