1. Research Centre of Applied and Preventive Cardiovascular Medicine (J.O.H., O.T.R., S.P.R.), University of Turku, Finland.
2. Paavo Nurmi Centre, Sports & Exercise Medicine Unit, Department of Physical Activity and Health (J.O.H.), University of Turku, Finland.
3. Centre for Population Health Research, University of Turku and Turku University Hospital, Finland (J.O.H., O.T.R., S.P.R.).
4. Department of Clinical Physiology and Nuclear Medicine, Turku University Hospital, Finland (O.T.R.).