Funding for this research was provided by:
Fundação para a Ciência e a Tecnologia (CMUP-ERI/TPE/0028/2013)
Fundação para a Ciência e a Tecnologia (SFRH/BD/51918/2012)
Article History
Received: 31 December 2018
Revised: 15 April 2020
Accepted: 18 April 2020
First Online: 6 July 2020