Funding for this research was provided by:
Science and Technology Development Fund (STDF), Egypt (358)
Received: 17 December 2019
Accepted: 9 June 2020
First Online: 29 June 2020
Ethics approval and consent to participate
: The study complied with the International Ethical Guidelines for Biomedical Research Involving Human Subjects<b>.</b> Medical Research Ethics Committee, National Research Centre, Giza, Egypt has cleared the study protocol with ethical approval registration number 10140. Informed written consent was obtained from all participants involved in the study and the parent’s patient has given their parental consent for this study. Information obtained at the individual level was kept strictly confidential.
: The authors declare no conflict of interest.