1 Department of Aeronautics, Imperial College London, London, UK.
2 School of Engineering and Materials Science, Queen Mary University of London, London, UK.
3 Department of Computing, Imperial College London, London, UK.
4 Department of Architecture and Civil Engineering, University of Bath, Bath, UK.
5 Department of Computer Science, University College London, London, UK.
6 Materials and Technology Centre of Robotics, Swiss Federal Laboratories for Materials Science and Technology (Empa), Dübendorf, Switzerland.
7 Department of Informatics, Technical University of Munich, Garching, Germany.
8 Stuart Weitzman School of Design, University of Pennsylvania, Philadelphia, PA, USA.
9 Department of Aeronautics, Imperial College London, London, UK. [email protected].
10 Materials and Technology Centre of Robotics, Swiss Federal Laboratories for Materials Science and Technology (Empa), Dübendorf, Switzerland. [email protected].