International Diabetes Federation Task Force on Epidemiology and Prevention ; Hational Heart, Lung, and Blood Institute ; American Heart Association ; World Heart Federation ; International Atherosclerosis Society ; International Association for the Study of Obesity : Harmonizing the Metabolic Syndrome : A Joint Interim Statement of the International Diabetes Federation Task Force on Epidemiology and Prevention ; National Heart, Lung, and Blood Institute ; American Heart Association ; World Heart Federation ; International Atherosclerosis Society ; and International Association for the Study of Obesity