Funding for this research was provided by:
State Scholarships Foundation (“Reinforcement of Postdoctoral Researchers” (MIS-5001552))
Received: 6 June 2022
Accepted: 12 September 2022
First Online: 18 September 2022
: Caregivers/parents gave written informed consent in all cases. The study was conducted according to the guidelines of the Declaration of Helsinki and approved by the Bioethics Committee of Democritus University of Thrace, Greece.
: Not applicable.
: The authors declare that they have no conflict of interest.