[1] Univ Med Ctr Maribor, Dept Nephrol, Clin Internal Med, Ljubljanska Ulica 5, Maribor 2000, Slovenia
[2] Univ Maribor, Fac Med, Dept Internal Med, Taborska Ulica 8, Maribor 2000, Slovenia
[3] Univ Maribor, Fac Med, Dept Pharmacol, Taborska Ulica 8, Maribor 2000, Slovenia
[4] Univ Med Ctr Maribor, Dept Dialysis, Clin Internal Med, Ljubljanska Ulica 5, Maribor 2000, Slovenia