Hypertension

• UMDNJ - Robert Wood Johnson Medical School — New Brunswick, New Jersey, United States
• Columbia University Medical Center — New York, United States

• Terence T. Hart, MD — Muscle Shoals, Alabama, United States
• Westlake Medical Research — Westlake Village, California, United States
• Oklahoma Cardiovascular & Hypertension — Oklahoma City, Oklahoma, United States
• Northeast Tarrant Internal Medicine Assoc — Euless, Texas, United States

• GSK Investigational Site — Hyderabad, India

• GSK Investigational Site — Hyderabad, India

• Wonju Severance Christian Hospital — Wŏnju, Gangwon-do, South Korea

• GSK Investigational Site — Singapore

• Kaoshing Medical University Chung-Ho Memorial Hospital — Kaoshiung, Taiwan

Not specified

• Oakville Trafalgar Memorial Hospital — Oakville, Ontario, Canada

• Kwame Nkrumah University of Science and Technology — Kumasi, Ghana