Nick, Herbert Câmara
Duarte, Maria Lucia Machado
Xavier, Pedro Vieira
Article History
Received: 19 January 2019
Revised: 19 February 2019
Accepted: 21 February 2019
First Online: 7 March 2019
Compliance with Ethical Standards
:
: This statement is to certify that all authors have seen and approved the manuscript being submitted. We warrant that the article is the authors’ original work. We warrant that the article has not received prior publication and is not under consideration for publication elsewhere. On behalf of all authors, the corresponding author states that there is no conflict of interest. This research has not been submitted for publication nor has it been published in whole or in part elsewhere. We attest to the fact that all authors listed on the title page have contributed significantly to the work, have read the manuscript, attest to the validity and legitimacy of the data and its interpretation and agree to its submission.