Text and Data Mining valid from 2019-12-01
Received: 11 June 2019
Accepted: 11 November 2019
First Online: 3 December 2019
Ethics approval and consent to participate
: The study was conducted in accordance with all national and international ethical standards for human research. All study procedures were approved by the Institutional Ethics Committee of the Pio XII Foundation - Barretos Cancer Hospital (approval number 1.604.347). All patients included in the study signed a consent form allowing the use of the informations and biological materials.
: Not applicable.
: The authors declare that they have no competing interests.