Redevelopment and validation of the SYNTAX score II to individualise decision making between percutaneous and surgical revascularisation in patients with complex coronary artery disease: secondary analysis of the multicentre randomised controlled SYNTAXES trial with external cohort validation

Kuniaki Takahashi, Patrick W. Serruys, Valentı́n Fuster, Michael E. Farkouh, John A. Spertus, David J. Cohen, Seung‐Jung Park, Duk‐Woo Park, Jung‐Min Ahn, A. Pieter Kappetein, Stuart J. Head, Daniel J.F.M. Thuijs, Yoshinobu Onuma, David M. Kent, Ewout W. Steyerberg, David van Klaveren