1. Department of Mechanical Engineering and the Laboratory for Computational Sensing and Robotics, Johns Hopkins University, Baltimore, MD, USA
2. Laboratory for Computational Sensing and Robotics, Johns Hopkins University, Baltimore, MD, USA
3. Department of Orthopedic Surgery, the Department of Mechanical Engineering, the Department of Computer Science, and the Laboratory for Computational Sensing and Robotics, Johns Hopkins University, Baltimore, MD, USA