Sionek, Andrzej
Czwojdziński, Adam
Kowalczewski, Jacek
Okoń, Tomasz
Marczak, Dariusz
Sibiński, Marcin
Złotorowicz, Marcin
Czubak, Jarosław
Article History
Received: 23 December 2017
Accepted: 12 March 2018
First Online: 17 March 2018
Compliance with ethical standards
: This study was approved by the ethical committee of our institution. Informed consent was obtained from patients for participation in the study.
: The authors declare that they have no conflict of interest.