1. Department of Clinical Chemistry; Bursa Yuksek Ihtisas Training and Research Hospital; Bursa Turkey
2. Department of Urology; Bursa Yuksek Ihtisas Training and Research Hospital; Bursa Turkey
3. Department of Medical Biochemistry; Ataturk Training and Research Hospital; Ankara Turkey
4. Department of Biochemistry; Yildirim Beyazit University Medical Faculty; Ankara Turkey