Hypertension, Pulmonary

• Novartis Investigative Site — Sendai, Miyagi, Japan
• Novartis Investigative Site — Bunkyo-ku, Tokyo, Japan
• Novartis Investigative Site — Mitaka, Tokyo, Japan

• Hammersmith Hospital, Imperial College London — London, United Kingdom
• Imperial College Healthcare NHS Trust — London, United Kingdom

• University of South Alabama Medical Center — Mobile, Alabama, United States
• Advanced Lung Disease Institute — Phoenix, Arizona, United States
• Arizona Pulmonary Specialist, Ltd — Phoenix, Arizona, United States
• University of Arizona Clinical and Translational Science (CATS) Research Center — Tucson, Arizona, United States

• Virginia Commonwealth University — Richmond, Virginia, United States

• Stanford University — Palo Alto, California, United States
• Yale University — New Haven, Connecticut, United States
• George Washington University — Washington D.C., District of Columbia, United States
• University of Miami — Miami, Florida, United States

• Cardiovascular Associates of the Southeast, LLC — Birmingham, Alabama, United States
• University of Alabama at Birmingham — Birmingham, Alabama, United States
• Pulmonary Associates, PA — Phoenix, Arizona, United States
• Mayo Clinic Arizona — Phoenix, Arizona, United States

• Gazi University — Ankara, Turkey (Türkiye)

Not specified

• Investigational Site 441 — San Antonio, Texas, United States

• Unidad de Investigacion Clinica en Medicina SC. — Monterrey, Nuevo León, Mexico