1. Department of Clinical Physiology and Nuclear MedicineHUS Medical Imaging Center, Helsinki University Central Hospital and University of HelsinkiHelsinkiFinland
2. Faculty of Sport and Health SciencesUniversity of JyväskyläJyväskyläFinland
3. Department of Public HealthUniversity of HelsinkiHelsinkiFinland
4. Institute for Molecular Medicine Finland, University of HelsinkiHelsinkiFinland
5. The UKK Institute for Health Promotion ResearchTampereFinland
6. Turku PET Centre, University of TurkuTurkuFinland
7. Clinical NeurologyTurku PET Centre, University of TurkuTurkuFinland