[1] Howard Hughes Med Inst, Chevy Chase, MD 20815 USA
[2] Washington Univ, St Louis, MO USA
[3] Univ Calif Los Angeles, Los Angeles, CA USA
[4] MIT, Cambridge, MA 02139 USA
[5] Infin Pharmaceut Inc, Boston, MA USA
[6] Hlth Technol Networks, Gilbertsville, PA USA
[7] Univ Calif Riverside, Riverside, CA 92521 USA
[8] Genentech Inc, San Francisco, CA 94080 USA
[9] GeneSoft Inc, San Francisco, CA USA