Circulating transthyretin with atrial morpho-functional phenotypes and atrial fibrillation risk, and the modifying role of BMI. - Zhang, Nan; Jia, Ziheng; Zhao, Jinhua; Han, Xuyao; Liu, Jie; Tse, Gary; Zhou, Jiandong; Chen, Kang-Yin; Lip, Gregory Y. H.; Liu, Tong (BMC Medicine, 2025)