[1] Suleyman Demirel Univ, Div Nephrol, Dept Internal Med, Sch Med, Isparta, Turkey
[2] Univ Med & Pharm Gr T Popa, Dept Nephrol, Iasi, Romania
[3] Koc Univ Hosp, Dept Cardiol, Istanbul, Turkey
[4] Koc Univ, Sch Med, Istanbul, Turkey
[5] Koc Univ Hosp, Dept Nephrol, Istanbul, Turkey
[6] Istanbul Medeniyet Univ, Sch Med, Dept Pulm Med, Istanbul, Turkey
[7] Univ Med & Pharm Gr T Popa, Dept Cardiol, Iasi, Romania
[8] Koc Univ, Div Nephrol, Dept Med, Sch Med, TR-34590 Istanbul, Turkey