Received: 13 March 2020
Accepted: 23 September 2020
First Online: 29 September 2020
Ethics approval and consent to participate
: This article is a part of the research plan approved by the committee of Islamic Azad University- Sari Branch, registered under ethics code no. IR.IAU.SARI.REC.1397.024.Before answering the questionnaires, each participant was provided with necessary information by the purpose of the study and their contribution to the study. Then they were enrolled after their written informed consent. We would like to thank all informants in the staff healthcare systems who kindly cooperated with us.
: Not applicable.
: The authors of this article declare they have no conflict of interests.