El Megeed, Khaled Hamdy Abd
Saleh, Shereen Abou Bakr
Mohamed, Ahmed Elkattary
Alphonse Anwar, Christina http://orcid.org/0000-0002-4641-4765
Article History
Received: 8 March 2021
Accepted: 6 May 2021
First Online: 8 July 2021
Declarations
:
: This study had been performed in accordance with the ethical standards. Approval of Ain Shams University, Faculty of Medicine, Research Ethics Committee (REC FWA 000017858) was obtained in July 2019 before starting the study, and the study protocol conforms to the ethical guidelines of the 1975 Declaration of Helsinki.
: A consent was taken from participants after the study steps were explained and before starting the study.
: The authors declare that they have no competing interests.