Received: 24 February 2018
Accepted: 27 March 2019
First Online: 29 April 2019
Ethics approval and consent to participate
: This study has been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments. The study was evaluated and approved by the Cantonal Ethics Commission of Zurich, Switzerland (Ref.-No. EK: 2016–01526, decision on 28.09.2016) and the Cantonal Ethics Commission of Bern, Switzerland (Ref.-Nr. KEK-BE: 2015–00074).The permission for conduction of the study was granted by the medical directors at the three study sites. The authors informed the respondents (patients, NOK, HCP) of their rights in the study in an oral presentation and/or a cover letter. They assured the participants of the confidentiality and anonymity of the data, and the voluntariness of participation. Patients were given an information sheet with the possibility to consent in the conduction of the study. Return of the completed questionnaires from HCP and NOK was constituted as confirmation of their consent. No identifying factors were collected to ensure privacy.
: Not applicable.
: The authors work at the institutions under study. The authors declare that they have no competing interests.
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