1. Director, Supervisor, and Assistant Supervisor, respectively, Toxicology Laboratory, US.
2. Clinical Chemistry Laboratory Hartford Hospital 80 Seymour St. Hartford, CT 06102, US.
3. Director, Inpatient Services, Department of Pediatrics, US.
4. Chief, Section of Medical Toxicology, Hartford Hospital, Hartford, CT, US.
5. Director, Microchemistry Laboratory, University of Connecticut, Storrs, CT, US.