1. Institute of Pulmonology; Rabin Medical Center; Beilinson Campus; Petah Tiqwa Israel
2. Sackler Faculty of Medicine; Tel Aviv University; Tel Aviv Israel
3. The Institute of Pulmonary and Allergic Diseases; Tel-Aviv Sourasky Medical Center; Tel-Aviv Israel
4. Division of Occupational and Environmental Medicine; Department of Medicine and Cardiovascular Research Institute; University of California; San Francisco California
5. Department of Cardiothoracic Surgery; Rabin Medical Center; Beilinson Campus; Petah Tiqwa Israel