Pálinkás, Zoltán
Zalai, Mihály
Szénási, Ágnes
Dorner, Zita
Kiss, József
North, Samuel
Woodward, Guy
Balog, Adalbert
Article History
Received: 31 August 2017
Accepted: 28 December 2017
First Online: 20 February 2018
Competing interests
: The authors declare no competing financial interests.