Bednarska, Małgorzata
Jankowska, Irena
Pawelas, Andrzej
Piwczyńska, Karolina
Bajer, Anna
Wolska-Kuśnierz, Beata
Wielopolska, Małgorzata
Welc-Falęciak, Renata
Funding for this research was provided by:
Ministry of Science and Higher Education in Warsaw, Poland (N N404101036)
Article History
Received: 6 February 2018
Accepted: 15 June 2018
First Online: 26 June 2018
Compliance with ethical standards
:
: Written informed consent was obtained from all patients or guardians of minor patients, and the study protocol followed ethical guidelines of the 2013 Declaration of Helsinki. All approvals for the study have been obtained according to Polish regulations.
: The authors declare that they have no competing interests.