Mari Sakamoto, Hiroki Fukuda, Jiyoong Kim, Tomomi Ide, Shintaro Kinugawa, Arata Fukushima, Hiroyuki Tsutsui, Akira Ishii, Shin Ito, Hiroshi Asanuma, et al. The impact of creating mathematical formula to predict cardiovascular events in patients with heart failure. Scientific Reports. 2018. 8. 1. 3986