Funding for this research was provided by:
Ahvaz Jundishapur University of Medical Sciences (NRC-9616)
Received: 29 September 2019
Accepted: 16 January 2020
First Online: 24 January 2020
Ethics approval and consent to participate
: The protocol was approved by the ethics committee of the student research committee, Ahvaz Jundishapur University of Medical Sciences, Iran.
: Prior to data collection, the purpose of the study was explained to the participants and their informed consent was recorded.
: The other authors declare that they have no competing interests.