Affiliation: | 1. Institute of Transfusion Medicine Cologne‐Merheim Medical Centre (CMMC), Witten/Herdecke University, Cologne, Germany;2. The Institute for Research in Operative Medicine, Faculty of Health, Department of Medicine, Witten/Herdecke University, Cologne, Germany;3. Department of Traumatology, Orthopaedic Surgery and Sports Traumatology, Cologne‐Merheim Medical Centre (CMMC), Witten/Herdecke University, Cologne, Germany |