Affiliation: | aNorton Neuroscience Institute, Norton Healthcare, Louisville, KY 40202, USA;bKentucky Spinal Cord Injury Research Center, Department of Neurological Surgery, University of Louisville School of Medicine, Louisville, KY 40202, USA;cSpinal Cord and Brain Injury Research Group, Stark Neurosciences Research Institute and Department of Neurological Surgery, Indiana University School of Medicine, IN 46202, USA |