1. R & D Scientists, Director, respectively, Promega Corporation, 2800 Woods Hollow Road Madison, WI 53711, US.
2. Research Chemist, Chemist, respectively, Forensic Science Research and Training Center, FBI Academy, Quantico, VA, US.
3. Serology/DNA Supervisor, Palm Beach Sheriff's Crime Lab, West Palm Beach, FL, US.
4. V. P. and Product Development Technologist, respectively, Blood Center of Southeastern Wisconsin, Inc., Milwaukee, WI, US.
5. Research supervisor and Criminalist, respectively, California Department of Justice, DNA Laboratory, Berkeley, CA, US.