1. Centre for Clinical Toxicology and Pharmacology, Division of Internal Medicine, University Medical Centre Ljubljana, Ljubljana, Slovenia;
2. Department for Cardiology, General Hospital “Dr. Franca Derganca” Nova Gorica, Šempeter pri Gorici, Slovenia;
3. Department for Cardiology, Division of Internal Medicine, University Medical Centre Ljubljana, Ljubljana, Slovenia;
4. Institute of Pathophysiology, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia