1. Associate Professor, Department of Medicine, Cornell Medical College.
2. Senior Scientist and Assistant Clinical Professor, Department of Anesthesia, Cornell Medical College.
3. Professor, Departments of Psychology and Psychiatry, Hillside Hospital.
4. Assistant Clinical Professor, Department of Anesthesia, Cornell Medical College.
5. Assistant Professor, Department of Medicine, Cornell Medical College.
6. Statistician, Department of Medicine, Cornell Medical College.
7. Clinical Professor, Department of Orthopedic Surgery, Lenox Hill Hospital.
8. Clinical Professor, Department of Orthopedic Surgery, Cornell Medical College.