The authors regret to have incorrectly informed that professor Dr. Guiomar Silva Lopes is related to the Preventine Medicine Department of Federal University of São Paulo. In fact on the date of its submission and publication, the fore mentioned professor was member of School of Nursing of Federal University of São Paulo. (in portuguese: Escola Paulista de Enfermagem da Universidade Federal de São Paulo.)

The authors would like to apologise for any inconvenience caused.

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Published on 20/10/16

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