Received: 17 October 2017
Accepted: 6 December 2018
First Online: 3 January 2019
Ethics approval and consent to participate
: Ethical approval for the study was obtained from the University Hospital Split Ethics Committee and the School of Medicine Ethics Committee, University of Split (Ref no:2181–198–03-04/10-10-0017) prior to the start of data collection. Every participant in the present study signed written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.
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