Funding for this research was provided by:
European Commission (GINOP-2.3.2-15-2016-00050, GINOP-2.3.2-15-2016-00015)
European Union and State of Hungary (TAMOP-4.2.4.A/2-11/1-2012-0001)
Received: 16 May 2019
Accepted: 27 November 2019
First Online: 10 December 2019
Ethics approval and consent to participate
: The study was approved by the Hungarian Scientific Research Council Ethical Committee (approval No. 14804-2/2011/EKU). Written informed consent was obtained from each patient, and assessments were carried out according to the Declaration of Helsinki.
: The authors declare that they have no competing interests.