Shewel, Yasser http://orcid.org/0000-0003-1593-0748
Abougabal, Ahmed
Article History
Received: 12 March 2020
Accepted: 14 May 2020
First Online: 2 July 2020
Ethics approval and consent to participate
: The ethical committee of faculty of medicine, Alexandria University, Egypt, approved this work and informed written consent obtained from all participants (Ethical number 00007645).
: Not applicable
: The authors declare that they have no competing interests.