Received: 10 July 2019
Accepted: 20 August 2019
First Online: 25 October 2019
Ethics approval and consent to participate
: Approvals for performing the study were obtained from Internal Medicine, Tropical Medicine, and Clinical Pathology Departments, Zagazig University Hospitals, after taking Institutional Review Board (IRB) approval.Written informed consent was taken from the patients or their relatives if patients were severely ill to participate in this study.
: Provided with the submission of the article.
: The authors declare that they have no competing interests.