1. Department of Pneumology, "Iuliu Hatieganu" University of Medicine and Pharmacy, 400332 Cluj-Napoca, Romania
2. 5th Department Internal Medicine, 4th, "Iuliu Hatieganu" University of Medicine and Pharmacy, 400015 Cluj-Napoca, Romania
3. Department of Internal Medicine, "Iuliu Hatieganu" University of Medicine and Pharmacy, Cluj-Napoca ; Department of Cardiology, Emergency County Clinical Hospital, 400006, Cluj-Napoca, Romania
4. Department of Medical Rehabilitation, "Iuliu Haţieganu” University of Medicine and Pharmacy Cluj-Napoca, Clinical Rehabilitation Hospital, 400066, Cluj-Napoca, Romania