Text and Data Mining valid from 2018-11-21
Received: 17 December 2017
Accepted: 18 June 2018
First Online: 21 November 2018
Ethics approval and consent to participate
: The study was approved by the Ethical Committee of Universidade Federal de São Paulo - Plataforma Brasil, reference number 16183.
: “Not applicable”.
: The authors declare that they have no competing interests.
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