Silva, Teresa Rodrigues
Teles, Helena
Article History
First Online: 8 March 2019
Compliance with Ethical Standards
:
: All authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in this study.