Augusciak-Duma, Aleksandra http://orcid.org/0000-0001-5426-3277
Stepien, Karolina L. http://orcid.org/0000-0002-6934-8780
Lesiak, Marta http://orcid.org/0000-0002-9111-2539
Gutmajster, Ewa http://orcid.org/0000-0001-6342-3236
Fus-Kujawa, Agnieszka http://orcid.org/0000-0003-1119-4253
Botor, Malwina http://orcid.org/0000-0003-0586-0918
Sieron, Aleksander L. http://orcid.org/0000-0002-3894-9508
Article History
Received: 15 March 2021
Revised: 15 March 2021
Accepted: 26 May 2021
First Online: 6 June 2021
Declarations
:
: This study was performed in line with the principles of the Declaration of Helsinki. Approval was granted by the Bioethics Committee of the Medical University of Silesia in Katowice, protocol no. KNW/0022/KB1/55/14 and its further extension no. KNW/0022/KB1/55/1/14/17.
: The patients’ written informed consent to participate in the study was obtained.
: Not applicable.
: The authors declare no competing interests.