1. Gottfried Schatz Research Center for Cell Signaling, Metabolism and Aging, Division of Medical Physics and Biophysics, Medical University of Graz, 8010 Graz, Austria
2. Department of Pharmaceutical Technology and Biopharmacy, Institute of Pharmaceutical Sciences, University of Graz, 8010 Graz, Austria
3. Clinical Institute for Medical and Chemical Laboratory Diagnostics, Medical University of Graz, 8010 Graz, Austria
4. Center for Medical Research, Medical University of Graz, 8010 Graz, Austria
5. Division of Pediatric Endocrinology, Diabetes Department of Pediatrics and Adolescent Medicine, University Medical Center Ulm, 89075 Ulm, Germany