Fejzo, 2015
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case control
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Participants were asked to submit their medical records and complete an online survey regarding treatment.
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Participants were asked to submit their medical records and complete an online survey regarding outcomes. A follow-up survey was administered on the diagnosis of childhood emotional, behavioral, and learning disorders.
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Cases and controls were well-matched for mean maternal age, spontaneous labor, delivery method, and use of assisted reproduction. Children of cases and controls were well-matched for gender and age, with the average age between 8 and 9 years old.
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Fejzo, 2013
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case control
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Participants were asked to submit their medical records and complete an online surveyregarding treatment. The majority of participants, both cases and controls, joined the study and began the survey during their pregnancies.
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Participants were asked to submit their medical records and complete an online surveyregarding outcomes. The majority of participants, both cases and controls, were automatically prompted to complete the survey on outcome following their due date.
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None.
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