title: Accuracy of smartphone applications and wearable devices for tracking physical activity data.
authors: Perelman School of Medicine, University of Pennsylvania, Philadelphia.
authors: Meredith A
authors: MA
authors: Case
authors: Amherst College, Amherst, Massachusetts.
authors: Holland A
authors: HA
authors: Burwick
authors: Center for Health Equity Research and Promotion, Philadelphia VA Medical Center, Philadelphia, Pennsylvania.
authors: Kevin G
authors: KG
authors: Volpp
authors: Center for Health Equity Research and Promotion, Philadelphia VA Medical Center, Philadelphia, Pennsylvania.
authors: Mitesh S
authors: MS
authors: Patel
mesh_terms: D056044:Actigraphy / Q000295:instrumentation*; D000328:Adult; D040421:Cell Phone; D015444:Exercise; D006801:Humans; D063731:Mobile Applications; D009043:Motor Activity; D011446:Prospective Studies; D016138:Walking