1. Orthopaedic Department, Jena University Hospital, 07747 Jena, Germany
2. Institute for Biochemistry II, Jena University Hospital, 07747 Jena, Germany
3. Department of Neurology, Jena University Hospital, 07747 Jena, Germany
4. Emergency Department, Helios University Clinic Wuppertal, 42283 Wuppertal, Germany
5. Faculty of Health/School of Medicine, Lehrstuhl für Klinische Akut- und Notfallmedizin, Witten/Herdecke University, Alfred-Herrhausen-Straße 50, 58448 Witten, Germany
6. Emergency Department, Otto-von-Guericke University, 39120 Magdeburg, Germany