1 Department of Diabetes, Endocrinology, Clinical Nutrition and Metabolism, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland.
2 ARTORG Center for Biomedical Engineering Research, University of Bern, Bern, Switzerland.
3 University Institute of Clinical Chemistry, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland.
4 Laboratory of Biometry, University of Thessaly, Volos, Greece.
5 Department of Emergency Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland.
6 Department of Diabetes, Endocrinology, Clinical Nutrition and Metabolism, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland christoph.stettler@insel.ch.