1. Cardiology Department; Emergency Institute for Cardiovascular Diseases “Prof. Dr. C. C. Iliescu,”; Bucharest Romania
2. University of Medicine and Pharmacy “Carol Davila”; Bucharest Romania
3. Pneumology Department; Gasthuisberg Hospital; Catholic University Leuven; Leuven Belgium
4. Cardiovascular Imaging Department; Gasthuisberg Hospital; Catholic University Leuven; Leuven Belgium