[1] University Hospital Graz,Executive Department for Quality and Risk Management
[2] Medical University of Graz,Research Unit for Safety and Sustainability in Healthcare, c/o Division of Plastic, Aesthetic and Reconstructive Surgery, Department of Surgery
[3] Medical University of Graz,Division of Endocrinology and Diabetology, Department of Internal Medicine
[4] University of Bern,Institute of Social and Preventive Medicine
[5] Medical University of Graz,Institute for Medical Informatics, Statistics and Documentation
[6] University of Applied Sciences FH Joanneum,Institute of Health Care and Nursing