Affiliation: | From the Division of General Internal Medicine and Mazankowski Alberta Heart Institute (McAlister), University of Alberta, Edmonton, Alta.; the Department of Medicine (Zhang, Manns, Hemmelgarn), University of Calgary, Calgary, Alta.; the Division of Nephrology (Tonelli, Klarenbach), University of Alberta, Edmonton, Alta.; and the Department of Community Health Sciences (Manns, Hemmelgarn), University of Calgary, Calgary, Alta. |