1. US Oncology Hematology Research Program, Rocky Mountain Cancer Centers, Aurora, CO.
2. Seagen Inc., Bothell, WA.
3. Curta, Inc., Seattle, WA.
4. Bristol Myers Squibb, Princeton, NJ.
5. Department of Internal Medicine, Division of Hematology and Oncology, University of Michigan Medical School, Ann Arbor, now with Department of Hematology, City of Hope Medical Center, Duarte, CA.