1. Assistant Professor of Anesthesia, Department of Anesthesia, Stanford University School of Medicine.
2. Staff Anesthesiologist and Chairman, Regionalspital, Department of Anesthesia, Biel, Switzerland.
3. Postdoctoral Fellow, Department of Anesthesia, Stanford University School of Medicine; Staff Clinical Pharmacologist, Center of Pharmacology, Johann-Wolfgang-Goethe-University, Main, Germany.