Shalash, Ali
Hamid, Eman
Elrassas, Hanan
Abushouk, Abdelrahman Ibrahim
Salem, Haitham Hamdy
Article History
Received: 22 June 2019
Accepted: 5 March 2020
First Online: 14 March 2020
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.
: The study was approved by the institutional Ethics Committee at the Faculty of Medicine, Ain Shams University. All subjects gave written informed consent according to the Declaration of Helsinki of 1975, as revised in 2008.