Received: 13 March 2020
Accepted: 30 April 2020
First Online: 16 July 2020
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of Faculty of Medicine, Menoufia University. Written informed consents were obtained from subjects of the study. The number of approvals is not applicable.
: Not applicable.
: “The authors declare that they have no competing interests” in this section.