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SUPPLEMENTARY MATERIALS Figure S1 Participant Flow. Eligible for follow-up studies N =8305. Exclusion: No research center visit (n=1615) - Participation by questionnaire only (n=607) - Health care data only (n=1008). Children who visited the research center N =6690. Exclusion:
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SUPPLEMENTARY MATERIALS Figure S1 Participant Flow Eligible for follow-up studies N=8305 Exclusion: No research center visit (n=1615) - Participation by questionnaire only (n=607) - Health care data only (n=1008) Children who visited the research center N=6690 Exclusion: - No interview at research center visit (n=92) Children who started the BPI interview N=6598 Exclusion: - Interview not completed successfully (n=77) - Eight years or older (n=146) Population for analyses N=6375