Sinai Hospital of Baltimore /ID# 141306, Baltimore, Maryland, United States
The Ohio State University - Columbus /ID# 138053, Columbus, Ohio, United States
Fox Chase Cancer Center /ID# 149479, Philadelphia, Pennsylvania, United States
Washington University School of Medicine /ID# 135708, Saint Louis, Missouri, United States
Mount Sinai Medical Center /ID# 133569, New York, New York, United States
The University of Chicago Medical Center /ID# 139403, Chicago, Illinois, United States
Wishaw General Hospital, Wishaw, United Kingdom
HagaZiekenhuis, Den Haag, Netherlands
Univ. Hospital in Krakow,Pulmonology Clinical Dept, Krakow, Poland
Site Reference ID/Investigator# 132890, Miami, Florida, United States
Site Reference ID/Investigator# 137332, Grafton, Auckland, New Zealand
Site Reference ID/Investigator# 132889, Orlando, Florida, United States
Toronto Liver Centre /ID# 155401, Toronto, Ontario, Canada
Digestive Health Specialists of the Southeast /ID# 136725, Dothan, Alabama, United States
Southern California Res. Ctr. /ID# 141799, Coronado, California, United States