Funding for this research was provided by:
The Swedish Research Council
The Swedish Research Council for Health, Working Life and Welfare
Doctoral School in Health Care Sciences at Karolinska Institutet
Article History
Received: 26 January 2018
Accepted: 18 March 2019
First Online: 29 March 2019
Ethics approval and consent to participate
: The project was approved by the Regional Ethical Review Board in Stockholm, Sweden (Dnr 2012/2021–31/5). Participating was voluntary and returning the questionnaire was taken as consent to participate in the study.
: Not applicable since we do not have individual details reveling the identity of the participants.
: The authors declare they have no competing interests.
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