1. University of Pennsylvania,General Robotics, Automation, Sensing & Perception (GRASP) Lab,Philadelphia,PA,USA,19104
2. Princeton Day School,Princeton,NJ,USA,08540
3. Episcopal Academy,Newtown Square,PA,USA,19073
4. Peddie School,Hightstown,NJ,USA,08520
5. University of Illinois,Department of Mathematics and Electrical and Computer Engineering,Urbana,IL,USA,61801