Received: 14 September 2021
Accepted: 2 December 2021
First Online: 20 December 2021
: The present study was approved by the Research Ethics Committee for Experimental and Clinical Studies of Faculty of Medicine, Ain Shams University (FMASU REC). The FMASU REC is organized and operated according to the guidelines of the International Council on Harmonization (ICH) Anesthesiology and the Islamic Organization for Medical Sciences (IOMS), the United States Office for Human Research Protections and the United States Code of Federal Regulations and operates under Federal Wide Assurance No. FWA 000017585. This study was approved by Ain Shams institute’s ethical committee in October 2018, reference Number 342/2018. An oral consent has been obtained from the parents of all children included in the study. Patient privacy and confidentiality were protected. Deceptive practices were avoided during designing the research. The participants had the right to withdraw from the study at any time they wished.
: Not applicable.
: The authors have no competing interests.