1. Associate medical examiner and chief medical examiner, respectively, Pierce County, 3629 South D St. Tacoma, WA 98408, US.
2. Senior fellow, Department of Laboratory Medicine, University of Washington, Seattle, WA, US.
3. Toxicologist, Washington State Toxicology Laboratory, Seattle, WA, US.
4. State toxicologist and Professor, Department of Laboratory Medicine, University of Washington, Seattle, WA, US.