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Article History

Received: 24 June 2018

Accepted: 15 November 2018

First Online: 24 November 2018

Ethics approval and consent to participate

: The collected data do not include patient identity. However, a written information and consent was sent together with the questionnaire to every participant. Participant’s name and personal information were not requested. Ethical approval was obtained from the Regional Ethics Committee in Uppsala Sweden (reference number 2016/191).

: Not applicable.

: The authors declare that they have no competing interests.

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