Instituto Nacional de Enfermedades Respiratorias

Professor of Medicine and Immunology, University of Colorado

National and Kapodistrian University of Athens, School of Medicine

Professor of Medicine Tulane University

Professor of Medicine, Baylor College of Medicine

Professor of Medicine, University of Alabama at Birmingham

Columbia University Irving Medical Center

Margaret Turner Warwick Chair of Thoracic Medicine Imperial College London

Professor of Radiology, University of Wisconsin School of Medicine and Public Health

Vanderbilt University Medical Center