Hypertension

• Dongguk University Ilsan Hospital — Goyang, Gyenggi, South Korea

• COLM-Study Data Center — Kamiyacho Mount Bld.14F, 4-3-20 Toranomon Minato-ku, Tokyo, Japan

• Johns Hopkins Bayview Medical Center — Baltimore, Maryland, United States

• Clinical Research Center, Department of Nephrology and Hypertension, University of Erlangen-Nurnberg — Erlangen, Bavaria, Germany

• Sanofi-Aventis Administrative Office — Moscow, Russia

• Mayo Clinic — Rochester, Minnesota, United States

Not specified

• Long Island University — Brooklyn, New York, United States

• University of Guelph — Guelph, Ontario, Canada

• Radboud University Nijmegen Medical Centre — Nijmegen, Netherlands