1. Assistant Professor, Service d'Anesthesiologie, Centre Hospitalier Universitaire de Liege, Domaine Universitaire du Sart Tilman.
2. Research Fellow, Department of Anesthesia, University of California, San Francisco.
3. Associate Professor, Department of Anesthesia, University of California, San Francisco.
4. Resident, Service d'Anesthesiologie, Centre Hospitalier Universitaire de Liege, Domaine Universitaire du Sart Tilman.
5. Professor and Chairman, Service d'Anesthesiologie, Centre Hospitalier Universitaire de Liege, Domaine Universitaire du Sart Tilman.
6. Medical Student, University of California, San Francisco.
7. Staff Research Associates, Department of Anesthesia, University of California, San Francisco.