Ciecierska, Marta http://orcid.org/0000-0002-6076-5748
Derewiaka, Dorota
Kowalska, Jolanta
Majewska, Ewa
Drużyńska, Beata
Wołosiak, Rafał
Article History
Revised: 14 November 2018
Accepted: 23 November 2018
First Online: 24 December 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.