Effects of a Long-Term Wearable Activity Tracker-Based Exercise Intervention on Cardiac Morphology and Function of Patients with Cystic Fibrosis. - Maria Anifanti; Stavros Giannakoulakos; Elpis Hatziagorou; Asterios Kampouras; John Tsanakas; Asterios Deligiannis; Evangelia Kouidi (Sensors, 2022)