Northwestern University, Chicago, Illinois, United States
Johns Hopkins Universtiy, Baltimore, Maryland, United States
Louisiana State University Medical Center, Shreveport, Louisiana, United States
University Medical Center Groningen, Groningen, Netherlands
The Royal Brompton Hospital, London, United Kingdom
St. Paul's Hospital, Vancouver, British Columbia, Canada
University Medical Center Groningen, Groningen, Netherlands
Chelsea and Westminster Hosptial/Royal Brompton Hosptial, London, United Kingdom
William Osler Health System, Brampton, Ontario, Canada
Galway University Hosptial, Galway, Ireland
University Medical Center Groningen, Groningen, Netherlands
Royal Brompton Hospital, London, United Kingdom
Mayo Clinic Jacksonville, Jacksonville, Florida, United States
Columbia University, New York, New York, United States
University of North Carolina, Chapel Hill, Chapel Hil, North Carolina, United States
University of Miami, Sylvester Comprehensive Cancer Center, Miami, Florida, United States