title: Obesity is an important source of bias in the assessment of cardiorespiratory fitness.
authors.affiliation: Kuopio Research Institute of Exercise Medicine, Kuopio, Finland; Occupational and Environmental Medicine, Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden. Electronic address: benno.krachler@envmed.umu.se.
authors.forename: Benno
authors.initials: B
authors.lastname: Krachler
authors.affiliation: Kuopio Research Institute of Exercise Medicine, Kuopio, Finland; Department of Clinical Physiology and Nuclear Medicine, Kuopio University Hospital, Kuopio, Finland.
authors.forename: Kai
authors.initials: K
authors.lastname: Savonen
authors.affiliation: Kuopio Research Institute of Exercise Medicine, Kuopio, Finland; Institute of Biomedicine/Physiology, University of Eastern Finland, Kuopio, Finland.
authors.forename: Timo
authors.initials: T
authors.lastname: Lakka
mesh_terms: D002318:Cardiovascular Diseases / Q000453:epidemiology*; D002320:Cardiovascular Physiological Phenomena; D005260:Female; D006801:Humans; D008297:Male; D010809:Physical Fitness; D012143:Respiratory Physiological Phenomena