Stulz, Niklaus
Pichler, Eva-Maria
Kawohl, Wolfram
Hepp, Urs
Article History
Received: 26 April 2017
Accepted: 23 January 2018
First Online: 5 February 2018
Ethics approval and consent to participate
: The study used de-identified linked administrative data. The responsible ethics committee Northwest/Central Switzerland declared that there is no need for approval, as the study does not fall under the Swiss National Law on Human Research (UBE-2017-00281). However, the ethics committee confirmed agreement with general ethical principles and declared the unproblematic nature of the study from an ethical point of view (cf. article 51, paragraph 2 of the Swiss National Law on Human Research).
: Not applicable.
: The authors declare that they have no competing interests.
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