1. School of Medicine, Louisiana State University Health Sciences Center at Shreveport, Shreveport, LA 71103, USA
2. School of Medicine, Louisiana State University Health Sciences Center at New Orleans, New Orleans, LA 70112, USA
3. Department of Anesthesiology, Louisiana State University Health Sciences Center at Shreveport, 1501 Kings Highway, Shreveport, LA 71103, USA
4. Department of Pharmacology, Toxicology, and Neurosciences, Louisiana State University Health Sciences Center at Shreveport, 1501 Kings Highway, Shreveport, LA 71103, USA