Text and Data Mining valid from 2018-03-13
Received: 19 May 2017
Accepted: 21 February 2018
First Online: 13 March 2018
Ethics approval and consent to participate
: The study was approved by the Research Ethics Committee of Medical Scholl of São Paulo University, license number 1.073.607.
: Not applicable.
: AMCS received speaker’s fees from Sanofi Pasteur. The other authors declare that they have no competing of interests.
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