1. Cyclotron Research Centre; University of Liège; Liège Belgium
2. Coma Science Group, GIGA Consciousness; University of Liège; Liège Belgium
3. University Hospital of Liège; Liège Belgium
4. Faculty of Social Sciences, Quantitative Methods for Social Sciences; University of Liège; Liège Belgium
5. University of Copenhagen; Copenhagen Denmark
6. Headache Research Unit; University of Liège; Liège Belgium