J. Hörer, Y. Hirata, H. Tachimori, M. Ono, V. Vida, C. Herbst, A. Kansy, J. P. Jacobs, Z. Tobota, K. Sakamoto, T. Ebels, and B. Maruszewski. Pediatric Cardiac Surgical Patterns of Practice and Outcomes in Japan and Europe. World Journal for Pediatric and Congenital Heart Surgery, volume 12, issue 3, 2021.