1. Department of Quality and Risk Management; University Hospital Graz; Graz Styria Austria
2. Division of Plastic, Aesthetic and Reconstructive Surgery; Department of Surgery; Medical University Graz; Graz Styria Austria
3. University Hospital Graz; Graz Styria Austria
4. Division of Endocrinology and Metabolism; Department of Internal Medicine; Medical University Graz; Graz Styria Austria
5. Joanneum Research HEALTH - Institute for Biomedicine and Health Sciences; Graz Styria Austria