Funding for this research was provided by:
FP7 Health (278186)
Text and Data Mining valid from 2020-01-17
Received: 23 July 2019
Accepted: 18 December 2019
First Online: 17 January 2020
Ethics approval and consent to participate
: All participants provided informed consent before the start of the study. The study was approved by the corresponding local ethics committees of participating countries. In Belgium, the study was approved by the ethics committee of Ghent University Hospital, in France by the Commission Nationale de l’Informatique et des Libertés, in Hungary by the Health Science Council, Scientific Research Ethic Committee, in The Netherlands by the Medical Ethics Committee of the VU University Medical Center in Amsterdam, and in the United Kingdom by The London School of Hygiene & Tropical Medicine Ethics Committee.
: The authors declare that they have no competing interests.