1. Professor.
2. Assistant Professor, Department of Anesthesiology, Weill Medical College of Cornell University; Department of Anesthesiology and Critical Care Medicine, Memorial Sloan-Kettering Cancer Center, New York, New York.
3. Assistant Attending Psychologist.
4. Programmer Analyst, Department of Anesthesiology and Critical Care Medicine, Memorial Sloan-Kettering Cancer Center.
5. Associate Research Professor, Department of Psychiatry, Weill Medical College of Cornell University, New York, New York.
6. Professor, Department of Psychology, Queens College of the City University of New York, Flushing, New York.