1. Amazon Alexa, Cambridge, MA, USA
2. Department of Electrical and Computer Engineering, Aarhus University, Aarhus, Denmark
3. Department of Electrical Engineering, KU Leuven, Leuven, Belgium
4. Department of Laboratory Medicine and Pathology (DMLP), Lausanne University Hospital (CHUV), Lausanne, Switzerland
5. Nuffield Department of Clinical Neurosciences, University of Oxford, Oxford, U.K.
6. Institute for Signal Processing, University of Lübeck, Lübeck, Germany
7. School of Electrical and Mechanical Engineering, The University of Adelaide, Adelaide, SA, Australia
8. Department of Electrical Engineering and the Department of Development and Regeneration, KU Leuven, Leuven, Belgium