Received: 22 April 2020
Accepted: 24 June 2020
First Online: 28 October 2020
Ethics approval and consent to participate
: All precipitants signed a written consent form. Also, the study protocol was approved by the local ethics committee of Tehran University of Medical Sciences (IR.TUMS.TIPS.REC.1398.007).
: Not applicable.
: Authors declare no conflict of interest.