University of California, Los Angeles, California, United States
Arizona Pulmonary Specialists, Phoenix, Arizona, United States
University of Miami, Miami, Florida, United States
Inova Heart and Lung Vascular Institute, Falls Church, Virginia, United States
Vanderbilt University Medical Center, Nashville, Tennessee, United States
University of Miami, Miami, Florida, United States
Antwerp University Hospital, Edegem, Belgium
Antwerp University Hospital, Edegem, Belgium