Alhaffar, M. H. D. Bahaa Aldin https://orcid.org/0000-0002-9147-189X
Janos, Sandor
Article History
Received: 29 April 2021
Accepted: 26 August 2021
First Online: 19 September 2021
Declarations
:
: Ethical approval was obtained from the ethical committee at the faculty of public health – Debrecen University.
: Not applicable.
: The authors declare that they have no competing interests.