1. Department of Pneumology, Iuliu Hatieganu University of Medicine and Pharmacy, 400332 Cluj-Napoca, Romania
2. Pharmacology, Toxicology and Clinical Pharmacology Department, Iuliu Hațieganu University of Medicine and Pharmacy, 400337 Cluj-Napoca, Romania
3. 4th Department Internal Medicine, “Iuliu Hatieganu” University of Medicine and Pharmacy, 400015 Cluj-Napoca, Romania
4. Discipline of Pneumology, III-rd Medical Department, Faculty of Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania
5. Department of Cardiology, Emergency County Clinical Hospital, 400006 Cluj-Napoca, Romania
6. Doctoral School, Faculty of Medicine, “Titu Maiorescu” University, 031593 Bucharest, Romania