Sentences with phrase «global positioning system trackers»
Researchers looked at data from 549 healthy adolescents between the ages of 12 and 16 in Baltimore, Md., and Seattle, Wash., who wore accelerometer and global positioning system trackers during waking hours at home, at school, in their neighborhoods and other locations.
http://www.MomsTeam.com/ Not exact matches
«Tracking devices may improve quality of life for parents of children with autism: National study suggests trackers using radio, Bluetooth or global positioning system technology help ease anxiety for parents of children who wander.»