[1] Slovak Med Univ, FD Roosevelt Teaching Hosp, Fac Med, Dept Internal Med 2,Div Hepatol Gastroenterol & Li, Banska Bystrica, Slovakia
[2] Safarik Univ, Fac Med, Dept Internal Med 2, Kosice, Slovakia
[3] Matej Bel Univ, Fac Arts, Dept Phys Educ & Sports, Banska Bystrica, Slovakia
[4] Slovak Med Univ Bratislava, Fac Healthcare, Banska Bystrica, Slovakia
[5] Slovak Med Univ, FD Roosevelt Teaching Hosp, Dept Physiatry Balneol & Rehabil, Banska Bystrica, Slovakia
[6] Univ Hosp, Comenius Univ, Fac Med, Dept Internal Med 5,Subdiv Gastroenterol & Hepatol, Bratislava, Slovakia
[7] Matej Bel Univ, Fac Arts, Tajovskeho 40, Banska Bystrica 97401, Slovakia