Corrigendum: Prevalence of iron-deficiency anemia in pregnant women with various thalassemia genotypes: thoughts on iron supplementation in pregnant women with thalassemia genes - Wang, Min; Zhang, Xiaozhuang; Zhao, Yanhong; Zhang, Yubin; Lin, Yan; Xiao, Meifang; Li, Ling (Frontiers in Nutrition, 2023)