Cross-country skiing and the risk of acute myocardial infarction: A prospective cohort study.

Address: Institute of Public Health and Clinical Nutrition, University of Eastern Finland, Finland.; Faculty of Sport and Health Sciences, University of Jyväskylä, Finland.; Institute of Biomedicine, University of Eastern Finland, Finland.; Department of Clinical Physiology and Nuclear Medicine, Kuopio University Hospital, Finland.; Foundation for Research in Health Exercise and Nutrition, Kuopio Research Institute of Exercise Medicine, Finland.; Department of Biostatistics, Near East University, Cyprus.; Institute of Public Health and Clinical Nutrition, University of Eastern Finland, Finland.; National Institute for Health Research Bristol Biomedical Research Centre, University Hospitals Bristol NHS Foundation Trust and University of Bristol, UK.; Musculoskeletal Research Unit, Translational Health Sciences, Bristol Medical School, University of Bristol, UK.