?:authorAffiliation
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[\'The Department of Tumour Surgery, Lanzhou University Second Hospital, Lanzhou, China.\', \'The Second Clinical Medical College, Lanzhou University, Lanzhou, China.\', \'The First Clinical Medical College, Lanzhou University, Lanzhou, China.\', \'Evidence-Based Medicine Centre, School of Basic Medical Sciences, Lanzhou University, Lanzhou, China.\']
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