Lopes, António M.
Machado, J. A. Tenreiro
Galhano, Alexandra M.
Article History
Received: 1 November 2016
Revised: 17 March 2017
Accepted: 25 March 2017
First Online: 8 April 2017
Compliance with ethical standards
:
: The authors declare that there is no conflict of interest regarding the publication of this paper.
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