[1] UNIV WISCONSIN, WISCONSIN REG PRIMATE RES CTR, MADISON, WI 53715 USA
[2] UNIV WISCONSIN, NEUROSCI TRAINING PROGRAM, MADISON, WI 53715 USA
[3] CHILDRENS HOSP MED CTR, SURG RES LAB, BOSTON, MA 02115 USA
[4] CHILDRENS HOSP MED CTR, DEPT PATHOL, BOSTON, MA 02115 USA
[5] HARVARD UNIV, SCH MED, BOSTON, MA 02115 USA
[6] HARVARD UNIV, SCH MED, DANA FARBER CANC INST, DEPT BIOL CHEM & MOLEC PHARMACOL, BOSTON, MA 02115 USA