Ethics approval and consent to participate
This study followed the Declaration of Helsinki. Ethical Approval was obtained from the Ethical Committee of Regional Medical Chamber in Cracow with Ref no. 120/KBL/OIL/2018. The study protocol was retrospectively registered on Australian New Zealand Clinical Trials Registry (ANZCTR) with ID: ACTRN12619000832178. Informed consent form was signed by patients before their participation in the study.