1. Epidemiology & Surveillance Branch Division for Heart Disease and Stroke Prevention National Center for Chronic Disease Prevention and Health Promotion Centers for Disease Control and Prevention Atlanta GA USA
2. Departments of Medicine Physiology and Pharmacology and Community Health Sciences O'Brien Institute for Public Health and Libin Cardiovascular Institute of Alberta University of Calgary Calgary Alberta Canada
3. Centre for Physical Activity and Nutrition Research School of Exercise and Nutrition Sciences Deakin University Burwood Victoria Australia
4. Unit of Noncommunicable Diseases & Disabilities Department of Noncommunicable Diseases and Mental Health Pan American Health Organization Washington DC USA