1. Department of Urology, Medical School, University of Gaziantep, Gaziantep, Turkey
2. Department of Biochemistry, Medical School, University of Gaziantep, Gaziantep, Turkey
3. Department of Nutrition and Dietetics, Medical School, University of Gaziantep, Gaziantep, Turkey
4. Department of Urology, Medical School, University of Gaziantep, TR-27070 Kolejtepe, Gaziantep, Turkey. Tel: +90 342 3350898. Fax: +90 342 3352707. E-mail: gantepuro@hotmail.com