Funding for this research was provided by:
Fundação para a Ciência e a Tecnologia (SFRH/BD/102177/2014)
Fundação para a Ciência e a Tecnologia (SFRH/BPD/101439/2014)
Article History
Received: 6 February 2018
Revised: 1 August 2018
Accepted: 16 August 2018
First Online: 1 September 2018