1. Department of Internal Medicine, University of Medicine and Pharmacy Iuliu Hatieganu Cluj-Napoca, Cluj-Napoca, Romania.
2. Division of Internal Medicine, Emergency County Hospital Cluj, Cluj-Napoca, Romania.
3. Division of Cardiology, Emergency County Hospital Cluj, Cluj-Napoca, Romania.
4. Department of Physiology, University of Medicine and Pharmacy “Iuliu Hațieganu” Cluj-Napoca, Cluj-Napoca, Romania.
5. Division of Immunology, Emergency County Hospital Cluj, Cluj-Napoca, Romania.