Received: 12 November 2020
Accepted: 23 February 2021
First Online: 10 March 2021
: This study was reviewed and approved by the ethical committee board, Faculty of medicine, Tehran University of Medical Science, Tehran, Iran (2010/06/12/006). Authorization to perform this investigation at the Imam Khomeini hospital was obtained from the Infectious diseases department of Imam Khomeini hospital, Tehran Univesity of Medical Science.
: Before taking samples, written informed consent was obtained from each patient at the present study.
: The authors declare that they have no competing interest.