1. Assistant professor of pediatrics, Harvard Medical School; associate physician, Children's Medical Service, Massachusetts General Hospital.
2. Research fellow in pediatrics. Harvard Medical School; clinical fellow, Children's Medical Service, Massachusetts General Hospital.
3. Assistant professor, Department of Maternal and Child Health, Harvard School of Public Health.
4. Associate in psychiatry, Harvard Medical School; psychiatrist, Department of Psychiatry, Massachusetts General Hospital.
5. Assistant, Department of Maternal and Child Health, Harvard School of Public Health.