Received: 21 March 2018
Accepted: 3 October 2018
First Online: 17 October 2018
Ethics approval and consent to participate
: The present study received the local Ethic comittee approval and the consent from all participants was obtained via signed written document. Local Ethic committee approval number: Comitê de ética em Pesquisa Universidade Estadual de Campinas: 5114610.
: Not applicable
: The authors declare that they have no competing interests.
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