1. Department
of Medicinal Chemistry, University of Washington, Box 357610, Seattle, Washington
98195, United States
2. Pharmaceutical and Biomedical
Sciences, University of Georgia, Athens,
Georgia 30605, United States
3. Biochemistry
and Molecular Pharmacology, University of Massachusetts Medical School, Shrewsbury,
Massachusetts 01545, United States
4. Microsoft Inc., 1 Microsoft Way, Redmond,
Washington 98052, United States