In the original published version of this article, the author has provided incorrect citations and have included the appropriate citations as mentioned below:
Specifically, we have discovered an error in the citation numbering within the third sentence, the second paragraph of the Discussion section. The incorrect citation number is highlighted in red, while the accurate citation number is highlighted in blue. We apologize for any confusion this may have caused and wish to rectify this oversight promptly.
1. Incorrect citations
Other similar studies conducted in China have largely focused on school-aged children in specific provinces or regions [28, 40, 44, 54], but this study extends its scope encompassing preschool-aged children, thus, covering the entire crucial growth period of early childhood in China.
2. Correct citations
Other similar studies conducted in China have largely focused on school-aged children in specific provinces or regions [26, 27, 28, 48, 51], but this study extends its scope encompassing preschool-aged children, thus, covering the entire crucial growth period of early childhood in China.