1. Department of Anesthesiology University of Nebraska Medical Center (UNMC) Omaha Nebraska USA
2. Department of Psychology University of Nebraska–Lincoln (UNL) Lincoln Nebraska USA
3. Department of Pharmacology and Experimental Neuroscience University of Nebraska Medical Center (UNMC) Omaha Nebraska USA
4. Midland University Omaha Nebraska USA
5. Department of Neurological Sciences University of Nebraska Medical Center (UNMC) Omaha Nebraska USA