Funding for this research was provided by:
Science and Technology Development Fund (4671)
Received: 16 April 2021
Accepted: 17 July 2021
First Online: 31 July 2021
: All procedures followed were in accordance with the ethical standards of institutional ethical committee of Chemical Pathology Department, Faculty of Medicine, Cairo University (no reference number for the department), and with the Helsinki Declaration of 1964 and its later amendments. IRB of faculty of medicine, Cairo University was unnecessary as there were no interventions or medical trials. Written informed consents were obtained from all patients’ guardians for being included in the study.
: Not applicable.
: Heba Asfour, Heba Baz, Hend Soliman, Yasmin Elshiwy, Marwa Elsharkawy, Fatma Elmougy, and Marianne Morgan declare that they have no competing interests.