Received: 17 August 2020
Accepted: 8 November 2020
First Online: 16 November 2020
Ethics approval and consent to participate
: The study was approved by the Ethics Committee of the Medical University of Lublin, Poland (KE-KE-0254275/2012, 0254/27/2014) and patients’ written informed consent was obtained.
: Not applicable.
: The Authors declare no potential conflict of interest.