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Authors
Andrade, P. https://orcid.org/0000-0003-1334-0947
Lopes, S.
Gaspar, R.
Nunes, A.
Magina, S.
Macedo, G.
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Article History
Received: 21 August 2017
Accepted: 7 January 2018
First Online: 18 January 2018
Compliance with ethical standards
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: The authors declare that they have no conflict of interest.
Free to read: This content has been made available to all.
