Vogel, Jürgen, Auinger, Andreas, Riedl, René, Kindermann, Harald, Helfert, Markus and Ocenasek, Helmuth (2017) Digitally enhanced recovery: Investigating the use of digital self-tracking for monitoring leisure time physical activity of cardiovascular disease (CVD) patients undergoing cardiac rehabilitation. PLoS ONE, 12 (10). e0186261. ISSN 1932-6203