Digital behavior change interventions to promote physical activity and/or reduce sedentary behavior in older adults: A systematic review and meta-analysis.

Author(s)	Stockwell S, Schofield P, Fisher A, Firth J, Jackson S E, Stubbs B, Smith L.
Journal / Source	https://reader.elsevier.com/reader/sd/pii/S0531556519300877?token=214E6EC584B365516C873E3FA872091AFB02A04DC4C8BF39F5431A16C8C54E2C3936475E4E63723E9FB055BA077F2341
Date	March 2019