1. Department of Surgery, Division of General and Sport Traumatology and Orthopaedics, Merkur University Hospital, Zagreb, Croatia
2. Department of Internal Medicine, Division of Nephrology and Dialysis, Dubrava University Hospital, Zagreb, Croatia
3. Special Hospital for Medical Rehabilitation KrapinskeToplice, KrapinskeToplice, Croatia
4. Department of Internal Medicine, Division of Gastroenterology, Merkur University Hospital, Zagreb, Croatia
5. School of Medicine, University of Zagreb, Zagreb, Croatia
6. Department of Clinical Chemistry and Laboratory Medicine, Merkur University Hospital, Zagreb, Croatia