1. Department of Computing, Imperial College London, Queen's Gate, London, U.K.
2. Qualcomm Technologies Netherlands B.V., Nijmegen, The Netherlands
3. Google DeepMind, London, U.K.
4. Mohamed bin Zayed University of Artificial Intelligence, Masdar City, Abu Dhabi, UAE
5. Computer Science Department, Stanford University, Stanford, CA, USA
6. Computer Laboratory, University of Cambridge, Cambridge, U.K.
7. Courant Institute of Mathematical Sciences, New York University, New York, NY, USA
8. Department of Information Engineering and Mathematics, University of Siena, Siena, SI, Italy