Hypertension, Pulmonary

• Department of Clinical Pharmacology and Pharmacoepidemiology, Medical department of the University of Heidelberg — Heidelberg, Baden-Wurttemberg, Germany

Not specified

• VA North Texas Health Care System — Dallas, Texas, United States

• University of Alabama at Birmingham — Birmingham, Alabama, United States
• University of Arizona Medical Center — Tucson, Arizona, United States
• University of California, San Diego — La Jolla, California, United States
• UCLA / VA Medical Center — Los Angeles, California, United States

• Center for Health, Exercise and Sport Sciences — Belgrade, Serbia

• Hôpital Antoine Beclere — Clamart, France
• Hospital Marie Lannelongue — Le Plessis-Robinson, France

• For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon- Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician. — Bend, Oregon, United States
• For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon- Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician. — Brussels, Belgium
• For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon- Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician. — Toronto, Ontario, Canada
• For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon- Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician. — Lille, France

• Meir MC — Kfar Saba, Israel

• University of Southern California — Los Angeles, California, United States
• Harbor-UCLA Medical Center — Torrance, California, United States
• The Rush Heart Institute Center for Pulmonary Heart Disease — Chicago, Illinois, United States
• Massachusetts General Hospital — Boston, Massachusetts, United States

• The Ohio State University Medical Center — Columbus, Ohio, United States