Received: 10 June 2021
Accepted: 9 November 2021
First Online: 18 November 2021
: The study protocol was approved by the Research Ethics Committee in each of Damascus, Aleppo, Tartous, and Syrian Private Universities, and the ethical committees in the concerned hospitals. Informed consent was obtained from every participant prior to participation.All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Not applicable.
: The authors declare that they have no competing interests.