Sokołowski, Jacek
Lachowska, Magdalena http://orcid.org/0000-0003-3631-2551
Karchier, Emilia
Bartoszewicz, Robert
Niemczyk, Kazimierz
Article History
Received: 4 January 2019
Accepted: 27 February 2019
First Online: 6 March 2019
Compliance with ethical standards
:
: The authors declare that there is no conflict of interest including any financial interest or financial support related to this manuscript to be disclosed.
: The study conforms to The Code of Ethics of the World Medical Association (Declaration of Helsinki). This is a retrospective study and no free informed consent form was needed, and subject’s identity was not divulged. The study was approved by the local Institutional Ethics Committee Review Board, where the study was conducted.