1. Assistant Professor of Anesthesia.
2. Research Fellow.
3. Instructor in Anesthesia.
4. Assistant Professor of Anesthesia, Department of Anesthesia and Intensive Care, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts.
5. Professor of Oral Surgery, Department of Oral Surgery, University of Graz, Austria.
6. Associate Professor of Anesthesia, Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women's Hospital, and