HIGHLIGHTS
- who: Chao Li from the in the beginning (Fig1). Due to the long and frequent follow-ups of the cohort study, there is inevitably a certain amount of missed follow-up. The main reasons for missed follow-up were as follow:, . the investigators were unable to get in touch with the caregivers due to moving (moving to another city or province), changing contact number have published the Article: Prevalence, correlates, and trajectory of screen viewing among Chinese children in Changsha: a birth cohort study, in the Journal: (JOURNAL)
- what: This study was aimed to determine . . .
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