Varnai, Reka
Szabo, Istvan
Tarlos, Greta
Szentpeteri, Laszlo Jozsef
Sik, Attila
Balogh, Sandor
Sipeky, Csilla http://orcid.org/0000-0002-8853-4722
Article History
Received: 4 November 2018
Revised: 12 November 2019
Accepted: 17 November 2019
First Online: 2 December 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.