?:authorAffiliation
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[\'Department of Paediatrics, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China.\', \'Qingdao Women and Children\'s Hospital, Qingdao University, Qingdao, Shandong Province, China.\', \'Department of Paediatrics, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China. Electronic address: wingkinwong@cuhk.edu.hk.\', \'Qingdao Women and Children\'s Hospital, Qingdao University, Qingdao, Shandong Province, China. Electronic address: xingqs0532@163.com.\']
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