1. Department of Anesthesiology, Department of Anatomical Sciences and Neurobiology, and Kentucky Spinal Cord Injury Research Center, University of Louisville College of Medicine, Louisville, Kentucky;
2. Department of Physiological Sciences, University of Florida College of Veterinary Medicine and McKnight Brain Institute, Gainesville, Florida
3. Department of Anatomical Sciences and Neurobiology, Department of Neurological Surgery, Kentucky Spinal Cord Injury Research Center, University of Louisville College of Medicine, Louisville, Kentucky;
4. Department of Oral and Maxillofacial Surgery, Division of Neuroscience, J. Hillis Miller Health Center, University of Florida College of Dentistry and McKnight Brain Institute, Gainesville, Florida; and