Klepinowski, Tomasz http://orcid.org/0000-0003-4806-2094
Żyłka, Natalia
Pala, Bartłomiej
Poncyljusz, Wojciech
Sagan, Leszek
Article History
Received: 1 December 2020
Revised: 12 January 2021
Accepted: 1 February 2021
First Online: 9 February 2021
Declarations
:
: For this kind of retrospective study no ethics approval was required
: Authors of this study grant the Publisher the sole and exclusive license of the full copyright.
: As this was a retrospective analysis of the studies that had been published in the past, no consent to participate was necessary.
: The authors declare that they have no conflict of interest.