VA FitHeart, a Mobile App for Cardiac Rehabilitation: Usability Study

Alexis L Beatty   ^{1, 2} , MAS, MD ;   Sara L Magnusson   ^{1, 2} , BA ;   John C Fortney   ^{1, 3} , PhD ;   George G Sayre   ¹ , MA, PsyD ;   Mary A Whooley   ^{4, 5, 6} , MD

¹ Veterans Affairs Puget Sound Health Care System, Seattle, WA, United States

² Department of Medicine, University of Washington, Seattle, WA, United States

³ Department of Psychiatry, University of Washington, Seattle, WA, United States

⁴ San Francisco Veterans Affairs Medical Center, San Francisco, CA, United States

⁵ Department of Medicine, University of California, San Francisco, San Francisco, CA, United States

⁶ Department of Epidemiology and Biostatistics, University of California, San Francisco, San Francisco, CA, United States