Received: 17 April 2021
Accepted: 11 July 2021
First Online: 22 July 2021
: This study was approved by Research Ethics Committee at Faculty of Medicine, Benha University(REC-FOMBU) which is independent organized committee operating according to international guidelines ,including the Declaration of Helsinki, Islamic Organization For Medical Sciences (IOMS), World Health Organization (WHO) and International Council On Harmonization And Good Clinical Practice(ICH-GCP). No. of ethical committee approval : MS.12.7.2019. Informed written consent has been obtained from all individuals included in this study.
: Not applicable.
: The authors declare that they have no competing interests.