title: Power of the Cluster.
authors.affiliation: From the Division of Cardiovascular Sciences (M.S.L.) and the Center for Translation Research and Implementation Science (G.A.M.), National Heart, Lung, and Blood Institute, Bethesda, MD. lauerm@nhlbi.nih.gov.
authors.forename: Michael S
authors.initials: MS
authors.lastname: Lauer
authors.affiliation: From the Division of Cardiovascular Sciences (M.S.L.) and the Center for Translation Research and Implementation Science (G.A.M.), National Heart, Lung, and Blood Institute, Bethesda, MD.
authors.forename: George A
authors.initials: GA
authors.lastname: Mensah
mesh_terms: D002318:Cardiovascular Diseases / Q000208:ethnology* / Q000628:therapy*; D019468:Disease Management; D005260:Female; D006801:Humans; D038622:Internationality; D008297:Male; D012424:Rural Population
keywords: Editorials; delivery of health care; hypertension; randomized trial