Funding for this research was provided by:
Portuguese Foundation for Science and Technology (SFRH/BD/84452/2012)
Article History
Received: 1 August 2016
Accepted: 6 July 2018
First Online: 17 July 2018
Compliance with ethical standards
:
: On behalf of all authors, the corresponding author declared that there is 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 participants included in the study.