1. Turku PET Centre University of Turku Turku Finland
2. Institute of Neuroscience National Research Council Padua Italy
3. Clinical Nutrition Institute of Public Health and Clinical Nutrition University of Eastern Finland (UEF) Kuopio Finland
4. Department of Radiology Turku University Hospital and University of Turku Turku Finland
5. Department of Psychology University of Turku Turku Finland
6. Department of Internal Medicine Division of Endocrinology Diabetology, Angiology, Nephrology and Clinical Chemistry Eberhard Karls University Tuebingen Tuebingen Germany
7. Institute for Diabetes Research and Metabolic Diseases of the Helmholtz Center Munich at the University of Tuebingen Tuebingen Germany
8. German Center for Diabetes Research (DZD e.V.) Neuherberg Germany
9. Institute of Clinical Physiology National Research Council (CNR) Pisa Italy
10. Department of Endocrinology Turku University Hospital Turku Finland