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If at least 16 weeks have passed since your last possible exposure, this is generally informative

Availability of data and materials KoNEHS cycle 3 (20152017) data can be obtained after the judgment of the raw data request form in National Institutes of Research (NIER) in Korea

Furthermore, we carried out unsupervised clustering by constructing a shared nearest neighbor (SNN) graph based on k -nearest neighbors ( k = 20) and then determining the number and composition of clusters using a modularity function optimizer based on the Louvain algorithm (resolution = 0.22)