About the Authors

Simon Zec

simon21zec@hotmail.com

Affiliation Department of Internal Medicine, School of Medicine, University of Belgrade, Belgrade, Serbia

Dusan Popovic

Affiliations Department of Internal Medicine, School of Medicine, University of Belgrade, Belgrade, Serbia, Clinic for Gastroenterology and Hepatology, Clinical Center of Serbia, Belgrade, Serbia

Vera Matovic

Affiliation Clinic for Gastroenterology and Hepatology, Clinical Center of Serbia, Belgrade, Serbia

Vladimir Nikolic

Affiliation Department of Internal Medicine, School of Medicine, University of Belgrade, Belgrade, Serbia

Ksenija Bojovic

Affiliations Department of Internal Medicine, School of Medicine, University of Belgrade, Belgrade, Serbia, Department of Gastroenterology and Hepatology, Clinic for Tropical and Infectious Diseases, Clinical Center of Serbia, Belgrade, Serbia

Jasna Jovic

Affiliation Department of Gastroenterology and Hepatology, Military Medical Academy, Belgrade, Serbia

Ljiljana Markovic Denic

Affiliations Department of Internal Medicine, School of Medicine, University of Belgrade, Belgrade, Serbia, Institute of Epidemiology, School of Medicine, University of Belgrade, Belgrade, Serbia

Tomica Milosavljevic

Affiliations Department of Internal Medicine, School of Medicine, University of Belgrade, Belgrade, Serbia, Clinic for Gastroenterology and Hepatology, Clinical Center of Serbia, Belgrade, Serbia

Tamara Alempijevic

Affiliations Department of Internal Medicine, School of Medicine, University of Belgrade, Belgrade, Serbia, Clinic for Gastroenterology and Hepatology, Clinical Center of Serbia, Belgrade, Serbia

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: SZ DP TA. Formal analysis: DP VN. Investigation: SZ VM KB JJ LjMD TM TA. Methodology: SZ DP TA. Project administration: SZ DP TA. Supervision: TM TA. Visualization: SZ DP TA. Writing – original draft: SZ. Writing – review & editing: SZ DP TM TA.