[1] Necmettin Erbakan Univ, Meram Sch Med, Div Nephrol, Dept Internal Med, TR-42090 Meram, Konya, Turkey
[2] Erzincan Univ, Dept Internal Med, Mengucek Gazi Training & Res Hosp, Erzincan, Turkey
[3] Erzincan Univ, Mengucek Gazi Training & Res Hosp, Dept Cardiol, Erzincan, Turkey
[4] Necmettin Erbakan Univ, Meram Sch Med, Dept Stat, TR-42090 Meram, Konya, Turkey
[5] Erzincan Univ, Mengucek Gazi Training & Res Hosp, Dept Endocrinol, Erzincan, Turkey