Funding for this research was provided by:
University of Debrecen
Article History
Received: 11 December 2020
Accepted: 6 April 2022
First Online: 8 May 2022
Declarations
:
: The study was approved by the Medical Research Council of Hungary in compliance with the Ethical Principles of the World Medical Association Declaration of Helsinki (12053–2/2018/EKU). Informed consent were obtained from parents of subjects.
: Not applicable.
: The authors declare that they have no competing interests.