1. Laboratory for Computational Sensing and Robotics, Whiting School of Engineering, Johns Hopkins University, USA
2. Department of Biomedical Engineering, Tsinghua University, China
3. Chair for Computer Aided Medical Procedures and Augmented Reality, Department of Informatics, Technical University of Munich, Germany
4. Department of Orthopaedics, Beijing Tsinghua Changgung Hospital. School of Clinical Medicine, Tsinghua University, China