Created at	Source	Raw Value	Validated value
Nov. 5, 2021, 2 p.m.	usa	inclusion criteria: - children aged 3-5 years; - the subject and/or guardian can understand and voluntarily sign the informed consent form; - proven legal identity.	inclusion criteria: - children aged 3-5 years; - the subject and/or guardian can understand and voluntarily sign the informed consent form; - proven legal identity.