Clinic for Pulmonology;
Clinical Center of Serbia;
Belgrade;
Serbia;
Department of Environmental Health and Safety;
University of Minnesota;
Minneapolis;
Minnesota;
USA;
Medical Faculty;
University in Belgrade;
Serbia;
Mayo Graduate School;
Mayo Clinic;
Rochester;
Minnesota;
USA;
华中科技大学同济医学院附属同济医院胸外科;
武汉430030;