Effect of Adding Telephone-Based Brief Coaching to an mHealth App (Stay Strong) for Promoting Physical Activity Among Veterans: Randomized Controlled Trial.
Laura J DamschroderLorraine R BuisFelicia A McCantHyungjin Myra KimRichard R EvansEugene Z OddoneLori A BastianGwendolyn HooksReema KadriCourtney White-ClarkCaroline R RichardsonJennifer M GierischPublished in: Journal of medical Internet research (2020)
RR2-10.2196/12526.