Funding for this research was provided by:
Text and Data Mining valid from 2019-04-23
Received: 28 January 2019
Accepted: 11 April 2019
First Online: 23 April 2019
Ethics approval and consent to participate
: Ethical approval for this study was obtained from the Kantonale Ethikkommission Zürich (ID #2018–01428). All patients gave written consent to participate in this study.
: All patients gave written consent to participate in this study and for publication.
: The authors declare that they have no competing interests.
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