1. Department of Sport Science, University of Seoul , Seoul , Republic of Korea
2. Institute of Public Health and Clinical Nutrition, University of Eastern Finland , Kuopio , Finland
3. Diabetes Research Centre, University of Leicester, Leicester General Hospital , Leicester , UK
4. Institute of Clinical Medicine, Department of Medicine, University of Eastern Finland , Kuopio , Finland
5. Central Finland Health Care District, Department of Medicine , Jyväskylä , Finland