Text and Data Mining valid from 2018-06-28
Received: 27 March 2018
Accepted: 31 May 2018
First Online: 28 June 2018
Ethics approval and consent to participate
: The study protocol was approved by the Research Ethics Committee of the University of Fortaleza (Unifor) and by the IRBs of the three participating referral centers.
: The authors declare that they have no competing interests.
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