10 Algology Department, University Hospital of Liège, CHU Sart Tilman, Domaine Universitaire du Sart Tilman B35, 4000, Liège, Belgium.11 Sensation and Perception Research Group, GIGA Consciousness, University of Liège, GIGA (B34), Quartier Hôpital - Avenue de l'Hôpital, 11, 4000, Liège, Belgium. 9 Anesthesia & Intensive care, GIGA Consciousness, University of Liège, GIGA (B34), Quartier Hôpital - Avenue de l'Hôpital, 11, 4000, Liège, Belgium.8 Intensive Care Units, University Hospital of Liège, CHU (B35), Quartier Hôpital - Avenue de l'Hopital, 11, 4000, Liège, Belgium.7 Public Health Department, Biostatistics, University of Liège, CHU (B35), Quartier Hôpital - Avenue de l'Hopital, 11, 4000, Liège, Belgium.6 Laboratory of Cognitive Ergonomics and Work Intervention, University of Liège, ULiège (B32), Quartier Agora - Place des Orateurs, 2, 4000, Liège, Belgium.5 Sensation and Perception Research Group, GIGA Consciousness, University of Liège, GIGA (B34), Quartier Hôpital - Avenue de l'Hôpital, 11, 4000, Liège, Belgium.4 Algology Department, University Hospital of Liège, CHU Sart Tilman, Domaine Universitaire du Sart Tilman B35, 4000, Liège, Belgium. 3 Sensation and Perception Research Group, GIGA Consciousness, University of Liège, GIGA (B34), Quartier Hôpital - Avenue de l'Hôpital, 11, 4000, Liège, Belgium.

2 Algology Department, University Hospital of Liège, CHU Sart Tilman, Domaine Universitaire du Sart Tilman B35, 4000, Liège, Belgium.

1 Laboratory of Cognitive Ergonomics and Work Intervention, University of Liège, ULiège (B32), Quartier Agora - Place des Orateurs, 2, 4000, Liège, Belgium.

Grain surgery 2