1. Obesity Research Unit, Research Program for Clinical and Molecular Metabolism, Faculty of Medicine University of Helsinki and Helsinki University Hospital Helsinki Finland
2. Departement of Internal Medicine Helsinki University Hospital Helsinki Finland
3. Department of Gastrointestinal Surgery, Abdominal Center Helsinki University Hospital and University of Helsinki Helsinki Finland
4. Abdominal Center, Oulu University Hospital, Medical Research Center Oulu University of Oulu Oulu Finland
5. Center of Internal Medicine, Oulu University Hospital University of Oulu Oulu Finland
6. Department of Physical Medicine and Rehabilitation Oulu University Hospital Oulu Finland
7. Medical Research Center Oulu Oulu University Hospital and University of Oulu Oulu Finland
8. HealthyWeightHub, Endocrinology, Abdominal Center Helsinki University Hospital and University of Helsinki Helsinki Finland