Franks AL, Brownson RC, Bryant C, Brown KM, Hooker SP, Pluto DM, Shepard DM, Pate RR, Baker EA, Gillespie KN, Leet TL, O'Neall MA, Simoes EJ. Prevention Research Centers: contributions to updating the public health workforce through training. Prev Chronic Dis. 2005 Apr; 2(2):A26.