Funding for this research was provided by:
This study was funded by the nursing board of the University Medicine Greifswald
Text and Data Mining valid from 2018-04-10
Received: 9 June 2017
Accepted: 27 February 2018
First Online: 10 April 2018
Ethics approval and consent to participate
: Ethical approval was obtained for the study from the Ethic Committee of the University Medicine Greifswald (reference number: BB 004/14). Written informed consent was obtained from enrolled participants.
: Not Applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.