Funding for this research was provided by:
Fundação para a Ciência e a Tecnologia (POCI-01-0145-FEDER-016841, POCI-01-0145-FEDER-007633)
Article History
Received: 24 October 2018
Accepted: 18 January 2019
First Online: 25 January 2019
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.
: Grants were provided by Portuguese Foundation for Science and Technology (FCT) to the Research Project PTDC/ECM-EST/1056/2014 (POCI-01-0145-FEDER-016841) and to the Research Unit ISISE (POCI-01-0145-FEDER-007633).
: The research project completely complies with ethical standards required by the European community for research work. No research was performed on any human beings or animals.