Correction: Relationship between changes in the triglyceride glucose-body mass index and frail development trajectory and incidence in middle-aged and elderly individuals: a national cohort study - Kai Guo; Qi Wang; Lin Zhang; Rui Qiao; Yujia Huo; Lipeng Jing; Xiaowan Wang; Zixuan Song; Siyu Li; Jinming Zhang; Yanfang Yang; Jinli Mahe; et al. (Cardiovascular Diabetology)