Ochsner Clinic Foundation, New Orleans, Louisiana, United States
University of Colorado Hospital, Denver, Aurora, Colorado, United States
Stanford University Medical Center, Stanford, California, United States
CHU Grenoble, Grenoble, France
Ludwig Boltzmann Institut Fur COPD und pneumologische Epidemologie, Wien, Austria
Centre Hospitalier Universitaire de Nice, Nice, France
HealthEast St. Joseph's Hospital, Saint Paul, Minnesota, United States
University of Alabama at Birmingham, Birmingham, Alabama, United States
P. Stradins University Hospital, Riga, Latvia
King Faisal Hospital, Riyad, Saudi Arabia
Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland
Northwestern Memorial Hospital, Robert H Lurie Comprehensive Cancer Center, Chicago, Illinois, United States
University College London Hospital, Bloomsbury, London, United Kingdom
The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
Hôpitaux Universitaires de Genève (HUG) Service, Genève, Switzerland
UniversitätsSpital, Zürich, Switzerland
Pines Clinical Research, Aventura, Florida, United States
Oakville Vascular, Oakville, Ontario, Canada
OhioHealth Research, Columbus, Ohio, United States
MedStar Heart and Vascular Institute, Baltimore, Maryland, United States
AnMed Health Clinical Research, Anderson, South Carolina, United States
Deborah Heart and Lung Center, Browns Mills, New Jersey, United States
Mercy Medical Research Institute, Springfield, Missouri, United States
University Hospitals of Cleveland, Cleveland, Ohio, United States
University of Rochester, Rochester, New York, United States