?:authorAffiliation
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[\'Department of Cardio-thoracic Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, 210008, China.\', \'Department of Obstetrics and Gynecology, The Central Hospital of Wuhan, Wuhan, 430014, China. medsciwang@yahoo.com.\']
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