Matys, Jacek http://orcid.org/0000-0002-3801-0218
Jaszczak, Elżbieta
Flieger, Rafał
Kostrzewska-Kaminiarz, Katarzyna
Grzech-Leśniak, Kinga
Dominiak, Marzena
Funding for this research was provided by:
Wroclaw Medical University
Article History
Received: 31 October 2018
Accepted: 29 September 2019
First Online: 5 November 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The approval of the Local Ethics Committee of the Faculty of Dentistry, Wrocław Medical University, was obtained (KB-546/2018).
: Informed consent in <i>accordance</i> with the 1964 <i>Helsinki</i> Declaration was obtained from all participating subjects.