1. The Robotics InstituteCarnegie Mellon UniversityPittsburgh Pennsylvania
2. Department of Computer ScienceTechnische Universität MünchenMunich Germany
3. School of Mechanical and Aerospace EngineeringNanyang Technological UniversitySingapore Singapore
4. Department of EngineeringAarhus UniversityAarhus Denmark
5. School of Computer ScienceUniversity of WashingtonSeattle Washington