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1Department of Medicine, University of Calgary and Clinical Regional Department Head, Internal Medicine, Calgary Regional Health Authority Foothills Hospital 1403-29th Street NW, Calgary, Alberta T29 T2N, Canada. Eldon.Shaffer@crha-health.ab.ca
1Department of Medicine, University of Calgary and Clinical Regional Department Head, Internal Medicine, Calgary Regional Health Authority Foothills Hospital 1403-29th Street NW, Calgary, Alberta T29 T2N, Canada. Eldon.Shaffer@crha-health.ab.ca