Impact of comorbid burden on global left cardiac function and prediction models for myocardial function damage: a cardiac magnetic resonance feature-tracking study - Qu, XiaoFeng; Bai, Miaomiao; Lyu, Jianbo; Yin, Lili; Zhang, Jiahui; Zhao, Endong; Mei, Lingjun (Frontiers in Medicine, 2025)