1. University of Pennsylvania,General Robotics, Automation, Sensing and Perception (GRASP) Laboratory,Philadelphia,PA,USA,19104
2. Boston Dynamics Artificial Intelligence Institute,Cambridge,MA,02142
3. Florida Institute for Human and Machine Cognition (IHMC),Pensacola,FL,USA,32502
4. Boardwalk Robotics,Pensacola,FL,32502