Received: 28 November 2020
Accepted: 18 January 2021
First Online: 5 February 2021
Ethics approval and consent to participate
: The study protocol was approved by the Institutional Review Board of University Hospital “Sveti Duh”, Zagreb, Croatia (IRB no. 01–4212/2) and was conducted in accordance with the tenets of the World Medical Association Declaration of Helsinki. Written informed consent to participate was obtained from all patients before inclusion in the study.
: Not applicable.
: The authors declare that they have no competing interests.