A. Pizga, P. Kordoutis, S. Tsikrika, I. Vasileiadis, S. Nanas, and E. Karatzanos, “Effects of cognitive behavioral therapy on depression, anxiety, sleep and quality of life for patients with heart failure and coronary heart disease. a systematic review of clinical trials 2010 – 2020”, HRJ, vol. 7, no. 3, pp. 123–141, Jul. 2021.