About the Authors

Milena Ilic

Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Software, Supervision, Validation, Visualization, Writing – original draft, Writing – review & editing

drmilenailic@yahoo.com

Affiliation Department of Epidemiology, Faculty of Medical Sciences, University of Kragujevac, Kragujevac, Serbia

Sandra Grujicic Sipetic

Roles Supervision, Writing – review & editing

Affiliation Institute of Epidemiology, Faculty of Medicine, University of Belgrade, Belgrade, Serbia

Branko Ristic

Roles Supervision, Writing – review & editing

Affiliation Clinic for Orthopedic Surgery and Traumatology, Clinical Center Kragujevac, Faculty of Medical Sciences, University of Kragujevac, Kragujevac, Serbia

Irena Ilic

Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Software, Supervision, Validation, Visualization, Writing – original draft, Writing – review & editing

Affiliation Faculty of Medicine, University of Belgrade, Belgrade, Serbia

Competing Interests

The authors have declared that no competing interests exist.