1. From the Faculty of Medicine and Health Technology Tampere University Tampere Finland
2. Endocrinology Helsinki University Hospital and Research Programs Unit Clinical and Molecular Medicine University of Helsinki Helsinki Finland
3. Department of Internal Medicine Tampere University Hospital Tampere Finland
4. Department of Clinical Physiology Tampere University Hospital Tampere Finland
5. Laboratory and Medical Research Unit Seinäjoki Central Hospital Seinäjoki Finland