1. Department of Anaesthesiology and Surgical Intensive Care, Klinikum Darmstadt , Darmstadt , Germany
2. Department of Trauma, Hand and Reconstructive Surgery , Goethe University , Frankfurt am Main , Germany
3. Institute for Medical Didactics and Clinical Simulation , Goethe University , Frankfurt am Main , Germany
4. Clinic and Policlinic for Paediatric Surgery , University Medical Center Mainz , Mainz , Germany
5. Faculty of Medicine, Dean’s Office , University of Augsburg , Augsburg , Germany
6. Faculty of Medicine, Institute for Medical Teaching and Training Research , University of Würzburg , Würzburg , Germany
7. University Clinic for Trauma Surgery , Magdeburg , Germany
8. Department of Vascular Medicine, Vascular and Endovascular Surgery , Klinikum Darmstadt , Darmstadt , Germany