Status of adult outpatients with congenital heart disease in Japan: The Japanese Network of Cardiovascular Departments for Adult Congenital Heart Disease Registry. - Yao A; Inuzuka R; Mizuno A; Iwano H; Tatebe S; Tsukamoto Y; Sakamoto I; Watanabe H; Fukuda N; Takechi F; Adachi S; Akazawa Y; et al. (Journal of cardiology, 2022)