1. Assistant Professor of Anesthesiology, Columbia University
2. Research Scientist, New York State Psychiatric Institute
3. Professor of Anesthesiology and Pharmacology, Columbia University
4. Associate Member, Roche Institute of Molecular Biology. Current address: Department of Pharmacology, Smith, Kline and French Laboratories, Philadelphia, Pennsylvania 19101
5. Member and Head, Department of Physiological Chemistry, Roche Institute of Molecular Biology; Adjunct Professor of Anesthesiology and Pharmacology, Columbia University