Essential Hypertension

• Novartis Investigative Site — Birmingham, Alabama, United States
• Novartis Investigative Site — Little Rock, Arkansas, United States
• Novartis Investigative Site — Los Angeles, California, United States
• Novartis Investigative Site — San Diego, California, United States

• Medical University of Warsaw — Warsaw, Mazovian, Poland

• Huntsville, Alabama, United States
• Muscle Shoals, Alabama, United States
• Glendale, Arizona, United States
• Greenbrae, California, United States

• Inje university pusan hospital — Busan, Busanjin-gu Gaegum-dong, South Korea
• Gyeongsang national university hospital — Jinju, Chiram-dong, South Korea
• Daegu fatima hospital — Daegu, Dong-gu Sinam-dong, South Korea
• Daedong hospital — Busan, Dongnae-gu Myeongnyun-dong, South Korea

• Korea University Guro Hospital — Seoul, South Korea

• Departments of medical research and medicine — Holstebro, Denmark

• Seoul National University Bundang Hospital — Bundang, Gyeonggi-do, South Korea

• Hospital de Jesús IAP — México, D.f., Mexico
• Hospital General de Ticomán — México, D.f., Mexico
• Centro Médico Exel — Tijuana, Estado de Baja California, Mexico
• Hospital Civil de Guadalajara Fray Antonio Alcalde — Guadalajara, Jalisco, Mexico

• Ruijin Hospital Affiliated to Shanghai Jiao Tong University Medical School — Shanghai, Shanghai Municipality, China

Not specified