His ScD thesis was entitled , Determinants of pediatricians ' firearm injury prevention counseling practices .
Webster received his MPH from the University of Michigan in 1985 and his ScD from the Johns Hopkins Bloomberg School of Public Health in 1990 .
Webster ScD ScD thesis was entitled , Determinants of pediatricians ' firearm injury prevention counseling practices .
Webster received his MPH from the University of Michigan in 1985 and his ScD from the Johns Hopkins Bloomberg School of Public Health in 1990 .