1. Assistant Professor of Anesthesia, Department of Anesthesia, Duke University Medical Center
2. Research Fellow, Department of Anesthesia, Duke University Medical Center
3. Assistant Professor of Anesthesia and Biomedical Engineering, Department of Anesthesia, Duke University Medical Center
4. Research Technician, Department of Anesthesia, Duke University, Medical Center
5. Assistant Professor of Biostatistics, Biometry and Medical Informatics Division, Department of Community and Family Medicine, Duke University Medical Center