Received: 28 November 2019
Accepted: 8 April 2020
First Online: 13 April 2020
Ethics approval and consent to participate
: The study was approved by the Ethics Committee of Department of Orthopedic Surgery of the Ljubljana University Medical Centre (KME 0120–62/2015–2). All patients provided written informed consent to participate in the study.
: Not applicable.
: The authors declare that they have no competing interests.