Assertion: sport related concussion | /r/AtLocation | the u.s.
Facets:
value: annually
type: TEMPORAL
Source sentences:
text: The U.S. Centers for Disease Control and Prevention estimates that 300,000 sports-related concussions occur yearly in the U.S., but that number includes only athletes who lost consciousness.
text: According to the University of Pittsburgh’s Brain Trauma Research Center, more than 300,000 sports-related concussions occur annually in the U.S and the likelihood of suffering a concussion while playing a contact sport is as high as 19 percent per year of play.
text: University of Pittsburgh's Brain Trauma Research Center reports more than 300,000 sports-related concussions occur annually in the U.S.