Article History
Received: 4 August 2019
Accepted: 8 June 2020
First Online: 2 July 2020
Compliance with ethical guidelines
:
: B. Štern, L. Zaletel-Kragelj, and T. Hojs Fabjan declare that they have no competing interests.
: Informed consent was obtained from all patients to participate in the study, and the study was approved by the Medical Ethics Committee of Slovenia on 17 July 2012 (approval No. 24k/07/12).