1. Coma Science Group, Cyclotron Research Center, CHU University Hospital, University of Liège, Liège, Belgium.
2. Computer Imaging and Medical Applications Laboratory, National University of Colombia, Bogotá, Colombia.
3. MoVeRe Group, Cyclotron Research Center, University of Liège, Liège, Belgium.
4. Department of Physics and Astronomy, Brain and Mind Institute, University of Western Ontario, London, Ontario, Canada.
5. Department of Neurology, CHU University Hospital, University of Liège, Liège, Belgium.
6. Department of Anesthesia and Intensive Care Medicine, CHU University Hospital, University of Liège, Liège, Belgium.
7. Department of Anesthesia and Intensive Care Medicine, CHR Hospital Citadelle, Liège, Belgium.
8. Department of Algology and Palliative Care, CHU University Hospital, University of Liège, Liège, Belgium.
9. Department of Neurology, University of Wisconsin, Madison, Wisconsin.
10. Department of Psychology, Brain and Mind Institute, University of Western Ontario, London, Ontario, Canada.
11. Department of Computer Science, Central University of Colombia, Bogotá, Colombia.