?:authorAffiliation
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[\'Department of General Surgery, Tan Tock Seng Hospital, Singapore.\', \'Department of Haematology, Tan Tock Seng Hospital, Singapore.\', \'Department of General Surgery, Ng Teng Fong General Hospital, Singapore.\', \'Department of General Surgery, Tan Tock Seng Hospital, Singapore. Electronic address: jee_keem_low@ttsh.com.sg.\']
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