Received: 1 December 2020
Accepted: 29 August 2021
First Online: 16 September 2021
: This research study was conducted retrospectively from data obtained for clinical purposes. We consulted extensively with the Bioethics Committee of Medical University of Warsaw who determined that our study did not need ethical approval. A Bioethics Committee’s official statement of ethical approval was granted from the Bioethics Committee of Medical University of Warsaw. All methods were carried out in accordance with relevant guidelines and regulations. Informed consent was obtained from all subjects.
: Not applicable.
: The authors declare that they have no competing interests.