1. Department of Robotics Engineering, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu, Republic of Korea
2. Department of Electrical Engineering and Computer Sciences, University of California at Berkeley, Berkeley, CA, USA
3. Department of General Surgery, University of California at San Francisco, San Francisco Bay Area, Oakland, CA, USA
4. Robotics Laboratory, SRI International, Menlo Park, CA, USA