Received: 23 November 2020
Accepted: 4 March 2021
First Online: 20 March 2021
: Being conformed to the ethical guidelines, the study protocol was approved by the research ethical committee of the endemic medicine department and the institutional review board of the faculty of medicine, Cairo University. All patients had signed a written informed consent before the start of any procedure related to the study. The personal data were concealed and replaced by numbers for patient’s confidentiality.
: Not applicable
: The authors declare that they have no competing interest.