Received: 11 January 2021
Accepted: 20 May 2021
First Online: 31 May 2021
: All patients signed informed consent. The study was carried out following the Helsinki Declaration [CitationRef removed] and was approved by the local ethical committee of the Endemic Medicine Department, Kasr Alainy Hospital, Cairo University; hence, it did not have an ethics committee’s reference number.
: Patients had signed informed consent for use of their data in research and publication without the appearance of their names.
: No competing interests