1. Robotics Center and the Department of Mechanical Engineering, University of Utah, Salt Lake City, UT, USA
2. Department of Mechanical Engineering, University of Utah, Salt Lake City, UT, USA
3. Robotics Center and the Kahlert School of Computing, University of Utah, Salt Lake City, UT, USA
4. Department of Neurosurgery, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, USA
5. Department of Radiology and Imaging Sciences and the Department of Neurosurgery, University of Utah School of Medicine, Salt Lake City, UT, USA