1 Department of Neurosurgery Percy Military Hospital Clamart, France French Military Health Service Academy Ecole du Val-de-Grâce Paris, France Department of Intensive Care Unit Percy Military Hospital Clamart, France French Military Health Service Academy Ecole du Val-de-Grâce Paris, France Department of Thoracic and Vascular Surgery Sainte Anne Military Hospital Toulon, France French Military Health Service Academy Ecole du Val-de-Grâce Paris, France Department of Neurosurgery Sainte Anne Military Hospital Toulon, France French Military Health Service Academy Ecole du Val-de-Grâce Paris, France.