1. Translational Research Immunology Group, Nuffield Department of Surgical Sciences, University of Oxford , Oxford, UK
2. Department of Orthopedic and Trauma Surgery, Katholisches Klinikum Bochum—St. Josef Hospital, Ruhr University Bochum , Bochum, Germany
3. Department of General and Trauma Surgery, BG University Hospital Bergmannsheil, Ruhr University Bochum , Bochum, Germany