Article History
Received: 7 December 2020
Accepted: 7 June 2021
First Online: 19 June 2021
Declarations
: All procedures performed in the study were in accordance with the ethical standards of the Kasr Al-Ainy School of Medicine and in compliance with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. Written informed consent was obtained from each neonate’s parent/guardian after a full explanation of the study protocol.
: The authors declare no competing interests.