[1] Istanbul Bilim Univ, Sch Med, Dept Cardiol, Istanbul, Turkey
[2] Ege Univ, Sch Med, Dept Histol & Embryol, Izmir, Turkey
[3] Istanbul Bilim Univ, Sch Med, Dept Histol & Embryol, Istanbul, Turkey
[4] Istanbul Bilim Univ, Sch Med, Dept Physiol, Istanbul, Turkey