1 Predictive Research in Spine/Neuromodulation Management and Thoracic Innovation/Cardiac Surgery Lab, Poitiers University Hospital, Poitiers, France; Department of Neuro-Spine & Neuromodulation, Poitiers University Hospital, Poitiers, France; Prime Institute UPR 3346, CNRS, ISAE-ENSMA, University of Poitiers, Chasseneuil-du-Poitou, France. Electronic address: philippe.rigoard@chu-poitiers.fr.
2 Department of Neurosurgery, University of Illinois Chicago, Chicago, IL, USA; Neurology Section, Jesse Brown Veterans Administration Medical Center, Chicago, IL, USA.