Authors: Xin Zheng; Jeptha P Curtis; Shuang Hu; Yongfei Wang; Yuejin Yang; Frederick A Masoudi; John A Spertus; Xi Li; Jing Li; Kumar Dharmarajan; Nicholas S Downing; Harlan M Krumholz; Lixin Jiang Journal: JAMA Intern Med Date: 2016-04 Impact factor: 21.873