Guthrie, Nicole Development of an accelerometer-linked online intervention system to promote physical activity in adolescents. [electronic resource] - PloS one 2015 - e0128639 p. digital Publication Type: Journal Article; Multicenter Study; Randomized Controlled Trial; Research Support, Non-U.S. Gov't ISSN: 1932-6203 Standard No.: 10.1371/journal.pone.0128639 doi Subjects--Topical Terms: AdolescentFemaleHumansMaleMotor Activity--physiologyOnline Systems--instrumentationPilot Projects