Funding for this research was provided by:
H2020 European Research Council (671055)
Text and Data Mining valid from 2018-03-22
Received: 29 December 2017
Accepted: 6 March 2018
First Online: 22 March 2018
: The authors declare that they have no competing interests.
: All research projects mentioned in the manuscript received approval from the respective national ethics review committees and informed consent was obtained from all study participants.
: Not applicable.