Konowałek, Ł.
Wolanczyk, T.
Funding for this research was provided by:
Ministerstwo Nauki i Szkolnictwa Wyższego (4P05D0116)
Article History
First Online: 5 March 2018
Compliance with Ethical Standards
:
: The authors certify that they have no affiliations with or involvement in any organization or entity with any financial interest (such as honoraria; educational grants; participation in speakers’ bureaus; membership, employment, consultancies, stock ownership, or other equity interest; and expert testimony or patent-licensing arrangements), or non-financial interest (such as personal or professional relationships, affiliations, knowledge or beliefs) in the subject matter or materials discussed in this manuscript.
: Both researches were approved by the Bioethics Committee of Warsaw Medical Academy.