[1] Univ Edinburgh, Western Gen Hosp, Ctr Clin Brain Sci, Edinburgh EH4 2XU, Midlothian, Scotland
[2] Univ Edinburgh, Western Gen Hosp, NHS Lothian, Edinburgh EH4 2XU, Midlothian, Scotland
[3] Azienda Osped Univ Careggi, CTO, Florence, Italy
[4] San Gerardo Hosp, Neuroanaesthesia & Neurointens Care Unit, Milan, Italy
[5] Univ Brescia, Univ Div Anesthesia & Intens Care Med, Brescia, Italy
[6] Univ Cambridge, Dept Anaesthesia, Cambridge, England
[7] Univ Paris 06, Neuro Intens Care Unit, Dept Anesthesia & Intens Care, Pitie Salpetriere Hosp,AP HP, Paris, France
[8] Univ Cattolica Sacro Cuore, Sch Med, Dept Anaesthesiol & Intens Care, I-00168 Rome, Italy
[9] Univ Versailles, Serv Reanimat Polyvalente, Raymond Poincare Teaching Hosp, AP HP, Garches, France
[10] Inst Pasteur, Lab Histopathol & Modeles Anim, Paris, France
[11] Johns Hopkins Univ, Sch Med, Neurosci Crit Care Div, Baltimore, MD USA