Text and Data Mining valid from 2019-01-03
Received: 18 September 2018
Accepted: 19 December 2018
First Online: 3 January 2019
Ethics approval and consent to participate
: The A.C. Camargo Cancer Center Ethics Committee approved the study (CEP# 2450/17). The need for informed consent has been waived by the A.C. Camargo Cancer Center Ethics Committee.
: Not applicable.
: The authors declare that they have no competing interests.
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