Correction: Opening the black box: defining true-negative outcomes in esophageal cancer screening - a population-based study.

Mengfei Liu, Zeyu Yan, Anxiang Liu, Chuanhai Guo, Haijun Yang, Fenglei Li, Liping Duan, Lin Shen, Zhen Liu, Yaqi Pan, Ying Liu, Fangfang Liu, Wenlei Yang, Hongrui Tian, Zifan Qi