Funding for this research was provided by:
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung (SNF-160313)
Eidgenössische Technische Hochschule Zürich (ETH-17 13-2)
Text and Data Mining valid from 2019-07-12
Received: 13 July 2018
Accepted: 5 June 2019
First Online: 12 July 2019
Ethics approval and consent to participate
: The responsible ethical committee approved the study (KEK-ZH-Nr. 2015-0013, Zurich, Switzerland, April 14, 2015). A written informed consent to participate was obtained from all participants (or legal representatives) prior to study inclusion.
: A written informed consent to publish the data was obtained from all participants.
: The authors declare that they have no competing interests.