Boszczyk, Andrzej
Kwapisz, Sławomir
Kiciński, Maciej
Kordasiewicz, Bartłomiej
Liszka, Henryk
Funding for this research was provided by:
Centre of Postgraduate Medical Education
Article History
Received: 4 February 2020
Revised: 29 March 2020
Accepted: 5 April 2020
First Online: 21 April 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.