1 Clinic of Cardiology, Military Medical Academy, Belgrade, Serbia; School of Medicine, University of Defense, Belgrade, Serbia.
2 School of Medicine, University of Defense, Belgrade, Serbia; Clinic of Emergency Internal Medicine, Military Medical Academy, Belgrade, Serbia. Electronic address: boris.dzudovic@vma.mod.gov.rs.
3 Jacobi North Central Bronx Hospital, New York City, NY, United States of America.
4 Institute of Pulmonary Diseases Vojvodina, Novi Sad, Serbia; School of Medicine Novi Sad, University of Novi Sad, Novi Sad, Serbia.
5 Clinic of Cardiology, Clinical Centre Nis, Nis, Serbia; School of Medicine, University of Nis, Nis, Serbia.
6 Clical Centre Zemun, Belgrade, Serbia; School of Medicine University of Belgrade, Belgrade, Serbia.