1. Brain and Spine Institute- Institut du Cerveau et de la Moelle épinière (ICM), Hôpital Pitié-Salpêtrière, 47, bd de l'Hôpital - 75013 Paris, France;
2. Coma Science Group, GIGA Research, CHU Sart Tilman B34-Quartier Hôpital, Avenue de l'Hôpital, 11 4000 Liège, Belgium;
3. INSERM, U 1127, F-75013, Paris, France;
4. Department of Biomedical and Clinical Sciences “L. Sacco”, University of Milan, Via G.B. Grassi, 74. 20157, Milano, Italy
5. Faculty of Medicine and Life Sciences, Hasselt University, Martelarenlaan 42, 3500 Hasselt, Belgium