Received: 16 June 2020
Accepted: 6 September 2020
First Online: 21 September 2020
Compliance with Ethical Standards
: The research project has received the confirmation of the Institution Ethics Committee (Babol University of Medical Sciences) with the number No.MUBABOL.HRI.REC.1396.179. The consent form of our patients was taken and is available.
: Not applicable.
: The authors declare that they have no competing interests.