1. Director of Anesthesia Research, Department of Anesthesiology, School of Dental Medicine, Pittsburgh, Pennsylvania
2. Professor and Chair, Department of Anesthesiology, School of Dental Medicine, Pittsburgh, Pennsylvania
3. Student, School of Arts and Sciences, School of Dental Medicine, Pittsburgh, Pennsylvania
4. Faculty Research Associate, Department of Anesthesiology, University of Pittsburgh, School of Dental Medicine, Pittsburgh, Pennsylvania