1. Department of Gastroenterology, University Hospital Center (UHC) Rijeka, School of Medicine, University of Rijeka, Rijeka, Croatia
2. Department of Gastroenterology, University Hospital Merkur, School of Medicine, University of Zagreb, Zagreb, Croatia
3. Department of Anesthesiology and Intensive Care Unit, University Hospital Merkur, Zagreb, Croatia
4. Department of Obstetrics and Gynecology, University Hospital Center (UHC) Rijeka, Rijeka, Croatia
5. Department of Internal Medicine, General Hospital Pula, Pula, Croatia