1. Assistant Anesthetist, Massachusetts General Hospital; Assistant Professor of Anaesthesia, Harvard Medical School.
2. Associate Anesthetist, Massachusetts General Hospital; Instructor in Anaesthesia, Harvard Medical School.
3. Associate Anesthetist, Massachusetts General Hospital; Assistant Professor of Anaesthesia, Harvard Medical School.
4. Associate Attending Anesthesiologist, Columbia-Presbyterian Hospital; Associate Professor of Clinical Anesthesiology, Columbia University.
5. Associate Anesthetist, Massachusetts General Hospital; Associate Professor of Anaesthesia, Harvard Medical School.