Received: 10 October 2017
Accepted: 10 January 2018
First Online: 22 January 2018
: Approval for the study was sought at the Regional Ethics Review Board (Dnr 2014/130). The Board found, however, that according to Swedish legislation, no formal approval of the project was needed. Throughout the project, the ethics of scientific work as outlined in the Declaration of Helsinki were followed. Permission to perform the study was given by the respective head of the sites. The nurses were informed both orally and in writing about the study and were included after informed consent. Information emphasized that participation was voluntary and possible to withdraw at any time. Likewise, it was stressed that data would be handled confidentially and that no workplace or individual would be identifiable in the reporting of results.
: Not applicable
: The authors declare that they have no competing interests.
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