Text and Data Mining valid from 2018-07-04
Received: 27 October 2017
Accepted: 26 June 2018
First Online: 4 July 2018
Ethics approval and consent to participate
: The study, data in this article emerge from, has been approved by the Central Regional Ethics.Committee Ethikkommission Nordwest- und Zentralschweiz (EKNZ), Reference number 344/11). Written informed consent was obtained from all interview partners in German, Turkish or Albanian.
: Not applicable.
: The authors declare that they have no competing interests.
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