Corrigendum: Impact of Renal Function on Long-Term Clinical Outcomes in Patients With Coronary Chronic Total Occlusions: Results From an Observational Single-Center Cohort Study During the Last 12 Years - Guo, Lei; Ding, Huaiyu; Lv, Haichen; Zhang, Xiaoyan; Zhong, Lei; Wu, Jian; Xu, Jiaying; Zhou, Xuchen; Huang, Rongchong (Frontiers in Cardiovascular Medicine, 2021)