Funding for this research was provided by:
Urology research center, Guilan University of Medical Science, Rasht, Iran. (707/13.4.1395)
Text and Data Mining valid from 2018-06-28
Received: 8 February 2018
Accepted: 14 June 2018
First Online: 28 June 2018
Ethics approval and consent to participate
: All participants who meet the inclusion criteria will be asked to sign the informed consent form. The study protocol has already been approved by the Guilan Medical University Ethics Review Committee (approval identifier: IR. GUMS.REC1395.105).
: Not applicable.
: The authors declare that they have no competing interests.
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