Corrigendum: Age-specific reference values for low psoas muscle index at the L3 vertebra level in healthy populations: A multicenter study - Kong, Ming; Lin, Ning; Wang, Lili; Geng, Nan; Xu, Manman; Li, Shanshan; Song, Wenyan; Zhou, Ying; Piao, Yuetong; Han, Zuoqing; Guo, Rong; Yang, Chao; et al. (Frontiers in Nutrition, 2023)