Document is current

Article History

Received: 28 October 2017

Accepted: 21 March 2018

First Online: 3 April 2018

Ethics approval and consent to participate

: Ethics approval to conduct this current study was not required as approval to use the results drawn from the surveys conducted in Australia, Canada and Scotland is covered in the original ethics applications: Survey data is kept “indefinitely for scholarly priority” in accordance with the AustralianNational Health & Medical Research Guidelines(2007). Access to the Swedish sample was provided by the Swedish Association of Health Professionals. Formal approval from an ethics committee in Sweden was not required as no intervention was used and no sensitive information obtained (Ethics approval According to Swedish national legislation [Law 2003: 460] on ethics testing of human-related research, Swedish Constitution 2003: 460,Stockholm,Accessed: 10–11-2017). In all studies, participants’ consent was implied by the return of the survey form.Approval to conduct the primary studies was given by the following Human Research Ethics Committees and Boards:

: Not applicable.

: The authors declare that they have no competing interests.

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