Hypertension

• Research Site — Wŏnju, Gangwon-do, South Korea
• Research Site — Goyang-si, Gyeonggi-do, South Korea
• Research Site — Sungnam, Gyeonggi-do, South Korea
• Research Site — Busan, South Korea

• Research Site — Châu Đốc, An Giang, Vietnam
• Research Site — Bạc Liêu, Bac Lieu, Vietnam
• Research Site — Qui Nhon, Binh Dinh, Vietnam
• Research Site — Ca Mau, Vietnam

Not specified

• Sheba Medical Center — Ramat Gan, Israel

• Seoul National University Hospital — Seoul, South Korea

• Boston Medical Center — Boston, Massachusetts, United States

• GATA Nephrology — Ankara, Turkey (Türkiye)

• Hospital de Clínicas de Porto Alegre — Porto Alegre, Rio Grande do Sul, Brazil

• Richard A. Rodebush VA Medical Center — Indianapolis, Indiana, United States

• Cardiology Ward Shiraz University of Medical Sciences — Shiraz, Fars, Iran