Funding for this research was provided by:
Vice Chancellor for Research, Shiraz University of Medical Sciences, Shiraz, Iran (Grant No. 5793)
Article History
Received: 18 July 2017
Accepted: 12 June 2018
First Online: 3 July 2018
Ethics approval and consent to participate
: The present study was approved by the Ethics Committee of Shiraz University of Medical Sciences (Shiraz, Iran) and the authorities at Namazi Hospital (No. 93–7397). Written informed consent was obtained from all participants and confidentiality of the information was assured.
: Not applicable.
: The authors declare that they have no competing interests.
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