Letter by Kataoka et al Regarding Article, "Dynamic Risk Stratification of Patient Long-Term Outcome After Pulmonary Endarterectomy: Results From the United Kingdom National Cohort"
Circulation. 2016 Oct 4;134(14):e299-e300.
doi: 10.1161/CIRCULATIONAHA.116.023550.
1 From Department of Cardiology, Keio University School of Medicine, Tokyo, Japan (M.K., K.F.); and Division of Cardiology, Department of Medicine, Kyorin University School of Medicine, Tokyo, Japan (T.S.).