[tag=NNP] [tag="-LRB-"] [word=BRFSS] [□] □
[tag=NNP] [tag="-LRB-"] [word=BRFSS] [□=□] □
[tag=NNP] [tag="-LRB-"] [word=BRFSS] [□ | □] □
Information on the prevalence of asthma and other chronic conditions comes from the Behavioral Risk Factor Surveillance System ( BRFSS ) , an ongoing telephone survey conducted by the Minnesota Department of Health in conjunction with the Centers for Disease Control and Prevention ( CDC ) .