Funding for this research was provided by:
Shiraz University of Medical Sciences (95-01-01-13040)
Text and Data Mining valid from 2018-07-19
Received: 9 April 2018
Accepted: 26 June 2018
First Online: 19 July 2018
Ethics approval and consent to participate
: This study is part of a large registry for which study protocol has been approved by the institutional review board of Shiraz University of Medical Sciences (Ethics #IR.sums.med.rec.1396.s158).
: Not applicable.
: The authors declare that they have no competing interests.
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