1. Chief, Toxicology Laboratory, Division of Forensic Sciences, Suffolk County, Doctor Sidney B. Weinberg Center for Forensic Sciences (487), Hauppauge, New York 11787-4311 and Clinical Assistant Professor, State University at Stony Brook, Stony Brook, New York, US.
2. Professor of Pharmaceutical Sciences, St. John's University, Jamaica, New York, US.
3. Former Director of Laboratories, Division of Forensic Sciences, Suffolk County, Hauppauge, New York, US.