1. Executive Department for Quality and Risk ManagementUniversity Hospital Graz Graz Austria
2. Division of Endocrinology and Diabetology, Department of Internal MedicineMedical University of Graz Graz Austria
3. Research Unit for Safety in Health, Division of Plastic, Aesthetic and Reconstructive Surgery, Department of SurgeryMedical University of Graz Graz Austria
4. Institute for Medical Informatics, Statistics and DocumentationMedical University of Graz Graz Austria
5. Department of SurgeryUniversity Hospital Graz Graz Austria
6. University Hospital Graz Graz Austria