1. Division of Endocrinology and Metabolism, Department of Internal Medicine, Medical University of Graz, Graz, Austria.
2. Joanneum Research GmbH, HEALTH, Institute for Biomedicine and Health Sciences, Graz, Austria.
3. Division of Cardiology, Department of Internal Medicine, Medical University of Graz, Graz, Austria.
4. Division of Nephrology, Department of Internal Medicine, Medical University of Graz, Graz, Austria.
5. Division of Plastic, Aesthetic and Reconstructive Surgery, Department of Surgery, Medical University of Graz, Graz, Austria.