1. Department of Anesthesiology University of Arkansas for Medical Sciences Little Rock Arkansas USA
2. Department of Otolaryngology – Head and Neck Surgery University of Arkansas for Medical Sciences Little Rock Arkansas USA
3. College of Medicine University of Arkansas for Medical Sciences Little Rock Arkansas USA
4. College of Pharmacy University of Arkansas for Medical Sciences Little Rock Arkansas USA
5. Department of Otolaryngology – Head and Neck Surgery Southern Illinois University School of Medicine Springfield Illinois USA