1. Associate Professor.
2. Associate Professor of Anaesthesia, Harvard Medical School, Boston, Massachusetts, and Department of Anesthesia Critical Care and Pain Medicine, Massachusetts General Hospital, Boston, Massachusetts.
3. Clinical Instructor in Anaesthesia, Harvard Medical School, and Director of Pain Trial Center, Brigham and Women's Hospital, Boston, Massachusetts.
4. Research Scientist.
5. Research Professor.
6. Professor, Department of Anesthesiology and Pain Medicine, University of Washington School of Medicine, Seattle, Washington.