The researchers surveyed 215 pediatricians in Maryland , as well as 223 parents and 192 workers from 22 child care centers in Baltimore .
Maryland /location/location/contains Baltimore
DT NNS VBN CD NNS IN NNP , RB RB IN CD NNS CC CD NNS IN CD NN NN NNS IN NNP .
Maryland
LOCATION
Baltimore
LOCATION
/location/location/contains