(7)Istanbul University Cerrahpasa School of Medicine, Department of Urology, Istanbul, Turkey.
Acknowledgement: None.
Declerations: The authors have no relevant financial or non-financial interests to disclosure.
Funding: The authors did not recieve support from any organization fort he submitted work.
Financial interests: The authors declare they hane no financial interests.
Conflict of interest: All the authors declare no conflict of interest
Ethics approval: Approved by Namık Kemal University Ethical Committee, Tekirdag, Turkey. The procedures used in this study adhere to the tenets of the Declaration of Helsinki.
Author contributions: CMY, HMA, EBC, CB, OC, BO, HA and OO collected the original data and contributed to design of the study. DS performed the statistical analysis of the data. CMY, BO and HA performed the writing of the article.
Avaibility of data and material: All the data related to study are available in RIRsearch data base.