Text and Data Mining valid from 2020-04-22
Received: 16 July 2019
Accepted: 6 April 2020
First Online: 22 April 2020
Ethics approval and consent to participate
: Research Council and Medical Ethics Committees of Tarbiat Modares University approved the study (Code no. IR.TMU.REC.1394.148). All participants signed the written consent form.
: Not applicable.
: The authors declare that they have no competing interests.