Funding for this research was provided by:
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung
Swiss Continence Foundation
Michael Smith Foundation for Health Research
Rick Hansen Foundation
Text and Data Mining valid from 2018-04-13
Received: 28 October 2017
Accepted: 20 March 2018
First Online: 13 April 2018
Ethics approval and consent to participate
: The local ethics committee (Kantonale Ethikkommission Zürich) approved this study (KEK-2010-0207). All patients gave written informed consent according to the Helsinki II declaration.
: The authors declare that they have no competing interests.
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