Journal of Clinical Medicine 10(22), 5296 (2021). doi:10.3390/jcm10225296 special issue: "Special Issue "Adult Congenital Heart Disease: An Increasing and Ageing Population" / Special Issue Editor: Prof. Dr. Oktay Tutarel" Journal of Clinical Medicine Journal of Clinical Medicine, Vol 10, Iss 5296, p 5296 (2021) Volume 10 Issue 22