1. Turku PET Centre, University of Turku, Åbo Akademi University, and Turku University Hospital, Turku, Finland
2. The UKK Institute for Health Promotion Research, Tampere, Finland
3. Department of Clinical Physiology and Nuclear Medicine, University of Turku and Turku University Hospital, Turku, Finland
4. Paavo Nurmi Centre and Unit for Health and Physical Activity, University of Turku, Turku, Finland
5. Department of Biostatistics, University of Turku and Turku University Hospital, Turku, Finland
6. Institute of Biomedicine, University of Turku, Turku, Finland
7. Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland