Environmental Monitoring, Phthalic Acids - urine, Diethylhexyl Phthalate - metabolism, Food Contamination, Humans, Taiwan, Child, Preschool, Female, Male, Environmental Exposure, Cohort Studies, Health care, Additives, Illegal, Dermatitis, Molecular weight, Parents & parenting, Metabolites, Food additives, Questionnaires, Flooring, Polyvinyl chloride, Childr...