1 Department of Orthopedics, Trauma and Reconstructive Surgery, RWTH Aachen University Hospital, Pauwelsstraße 30, 52074, Aachen, Germany.
2 Experimental Orthopaedics and Trauma Surgery, RWTH Aachen University Hospital, Pauwelsstraße 30, 52074, Aachen, Germany.
3 Department of Orthopedics, Trauma and Reconstructive Surgery, RWTH Aachen University Hospital, Pauwelsstraße 30, 52074, Aachen, Germany. yulong.shi@whu.edu.cn.
4 Division of Joint Surgery and Sports Medicine, Department of Orthopedic Surgery, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China. yulong.shi@whu.edu.cn.
5 Electron Microscopy Facility, Institute for Pathology, RWTH Aachen University Hospital, Pauwelsstraße 30, 52074, Aachen, Germany.
6 Department of Orthopedics, Trauma and Reconstructive Surgery, RWTH Aachen University Hospital, Pauwelsstraße 30, 52074, Aachen, Germany. erosadobalma@ukaachen.de.
7 Experimental Orthopaedics and Trauma Surgery, RWTH Aachen University Hospital, Pauwelsstraße 30, 52074, Aachen, Germany. erosadobalma@ukaachen.de.