Juhász, Zoltán
Fehér, Tibor
Németh, Endre
Pamjav, Horolma
Funding for this research was provided by:
Hungarian National Research Foundation (no. K81954)
Article History
Received: 25 March 2015
Accepted: 19 June 2015
First Online: 5 July 2015
Compliance with ethical standards
:
: The authors state that they have no interests which might be perceived as posing a conflict or bias.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.