[1] Gen Hosp Murska Sobota, Dept Internal Med, Ul Dr Vrbnjaka 6, Murska Sobota 9000, Slovenia
[2] Univ Med Ctr Maribor, Dept Cardiol & Angiol, Clin Internal Med, Maribor 2000, Slovenia
[3] Univ Maribor, Fac Med, Dept Internal Med, Maribor 2000, Slovenia
[4] Univ Ljubljana, Fac Med, Inst Histol & Embryol, Korytkova 2, Ljubljana 1105, Slovenia
[5] Int Ctr Cardiovasc Dis MC Medicord D, Izola 6310, Slovenia