1. Instructor in Paediatrics.
2. Assistant Professor of Paediatrics and Biostatistics, Children's Hospital, and Harvard School of Public Health, Boston, Massachusetts.
3. Professor of Anaesthesia.
4. William E. Ladd Professor of Surgery.
5. Associate Professor of Paediatrics and Biostatistics, Children's Hospital, and Harvard School of Public Health, Boston, Massachusetts.
6. Associate Professor of Paediatrics.
7. Professor of Neurology, Children's Hospital, and Harvard Medical School, Boston, Massachusetts.
8. Associate Professor in Neurology and Paediatrics, Children's Hospital. Current position: Departments of Neurology and Pediatrics, Floating Hospital for Children, New England Medical Center, Boston, Massachusetts.
9. Professor of Paediatrics.
10. Associate Professor of Anaesthesia, Children's Hospital.