1. Postdoctoral Research Fellow, Department of Anesthesiology, Baylor College of Medicine, Houston. Present address: Département d'Anesthésiologie, CHU, Hôpital St. Jacques, 44035 Nantes Cedex 01, France.
2. Assistant Professor, University of Texas Medical School at Houston.
3. Research Fellow, Department of Anesthesiology, University of Texas Medical School at Houston. Present address: Department of Anesthesia, Katholieke Universiteit Gasthuisberg, Belgium.
4. Professor, Department of Medicine, Baylor College of Medicine, Houston.
5. Professor, Department of Anesthesiology, University of Texas Medical School at Houston.
6. Professor, Department of Anesthesiology; Director, Division of Clinical Pharmacology, Department of Pharmacology, University of Texas Medical School at Houston.