Received: 1 May 2020
Accepted: 15 July 2020
First Online: 29 July 2020
Ethics approval and consent to participate
: Declared in the “Methods” section: Ethical approval had been obtained from the Institutional Research Board, Faculty of Medicine, Mansoura University. Our study had been registered in the Pan African Clinical Trial Registry under the code PACTR201702001974160. Patients signed their informed consents after explanation of study protocol.
: Not applicable
: The authors declare that they have no competing interests.