?:authorAffiliation
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[\'Department of Pediatric, Baoji Maternal and Child Health Hospital, Baoji.\', \'Department of Pediatric, Taian Maternal and Child Health Hospital, Taian.\', \'The Fifth Department of Pediatric, Baoji Maternal and Child Health Hospital, Baoji.\', \'Department of Pediatric, Peking Union Medical College Hospital, Beijing, China.\']
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