1. Research fellow in Anaesthesia at the Harvard Medical School. Clinical and research Fellow in Anesthesia at the Massachusetts General Hospital. Present address: Anaesthesiafdeling II, Københavns Amts Sygehus I Gentofte, 2900 Hellerup, Denmark.
2. Associate Professor of Anaesthesia, Harvard Medical School at the Massachusetts General Hostital.
3. Assistant Professor of Anaesthesia, Harvard Medical School at the Massachusetts General Hospital.
4. Professor of Anaesthesia, Harvard Medical School at the Massachusetts General Hospital.