Temporal trends, associated risk factors and longitudinal cardiovascular outcomes of body roundness among middle-aged and older Chinese adults: from the China Health and Retirement Longitudinal Study 2011–2018 - Gan, Ying-Yuan; Luo, Yun-Dan; Zhai, Lu; Huo, Rong-Rui; Dai, Xia; Liao, Qian (Frontiers in Nutrition, 2025)