Szperl, Małgorzata
Kozicka, Urszula
Kosiec, Agnieszka
Kukla, Piotr
Roszczynko, Marta
Biernacka, Elżbieta Katarzyna
Funding for this research was provided by:
Institute of Cardiology, Warsaw, Poland (funds no. 2.62/II/12)
Article History
Received: 24 May 2018
Revised: 3 September 2018
Accepted: 4 September 2018
First Online: 22 September 2018
Compliance with ethical standards
: The study complies with the Declaration of Helsinki that the research protocol is approved by the locally appointed ethics committee and that the informed consent of the subjects has been obtained.
: The authors declare that they have no conflict of interest.