Received: 7 June 2020
Accepted: 5 October 2020
First Online: 15 October 2020
Ethics approval and consent to participate
: This study was performed in compliance with the Declaration of Helsinki and was approved by the Hungarian Medical Research Council (ETT TUKEB 12751-3/2017/EKU). Informed written consent was obtained from the participants.
: Not applicable.
: The authors declare that they have no competing interests.