1. The Division of Endocrinology, Abdominal Center, University of Helsinki and Helsinki University Hospital, Helsinki, Finland;
2. Department of Pathology, Huslab and University of Helsinki, Helsinki, Finland;
3. Department of Internal Medicine, Tampere University Hospital, Tampere, Finland;
4. Department of Internal Medicine, Oulu University Hospital, Oulu, Finland;
5. Department of Internal Medicine, Satakunta Central Hospital, Pori, Finland;
6. Department of Internal Medicine, Central Finland Central Hospital, Jyväskylä, Finland;
7. Department of Internal Medicine, North Carelia Central Hospital, Joensuu, Finland;
8. Department of Internal Medicine, Kymenlaakso Central Hospital, Kotka, Finland;
9. Department of Oncology, Turku University Hospital, Turku, Finland;
10. Department of Internal Medicine, Vaasa Central Hospital, Vaasa, Finland;
11. Department of Biostatistics, University of Turku, Turku, Finland;
12. Department of Surgery, University of Helsinki, Helsinki University Hospital, Helsinki, Finland;
13. Institute of Clinical Medicine, Internal Medicine, University of Eastern Finland and Kuopio University Hospital, Finland;
14. Research Programs Unit, Translational Cancer Biology, University of Helsinki, Helsinki, Finland