Declarations
Acknowledgements
We thank the participating nurses for their cooperation in this project as well as AFA insurance for financial support.
Competing interests
The author(s) declare that they have no competing interests.
Authors’ contribution
AMB has been part of the design of the study; analysis and interpretation of data; and responsible for drafting of the article. AR has been part of the design of the study; acquisition of data, and analysis and interpretation of data; and drafting of the article. AE has been part of the design of the study; interpretation of data; and drafting of the article. JPG has been part of the design of the study; acquisition of data, and analysis and interpretation of data; and drafting of the article. LW has been part of the design of the study; interpretation of data; and drafting of the article. All authors read and approved the final manuscript.