Hawari, Israa http://orcid.org/0000-0002-7413-5595
Eskandar, Mohamad Bashar http://orcid.org/0000-0002-9567-0036
Alzeer, Samar http://orcid.org/0000-0001-5119-3269
Funding for this research was provided by:
Damascus university (200 $)
Article History
Received: 2 January 2020
Accepted: 6 April 2020
First Online: 28 April 2020
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: The protocol of the investigation was approved by the Ethics Committee at Damascus University. Moreover, informed consent was obtained from the parents of the examined children before inclusion into the study, and blood sampling was performed in the presence of parents.
: Informed consent was obtained from all individual participants included in the study.