Text and Data Mining valid from 2019-04-05
Received: 9 May 2017
Accepted: 13 March 2019
First Online: 5 April 2019
Ethics approval and consent to participate
: This study protocol, version 2.0, was approved by the Ethics Committee of the Federal University of Sao Paulo, in Sao Paulo, Brazil (CEP N°1220/2016), and a written informed consent will be obtained from all participants in the trial.
: The authors declare that they have no competing interests.
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