1. Department of Electrical and Systems Engineering, University of Pennsylvania, Philadelphia, PA, USA
2. Department of Information Technology and Electrical Engineering, ETH Zurich, Zurich, Switzerland
3. AMBER Lab, California Institute of Technology, Pasadena, CA, USA
4. Institute of Automotive Technology, Technical University of Munich, Munchen, Germany
5. Department of Computer Science, University of Virginia, Charlottesville, VA, USA
6. College of Engineering, Computing and Applied Sciences, Clemson University, Clemson, SC, USA