Funding for this research was provided by:
Fundação para a Ciência e a Tecnologia (SFRH/BD/88623/2012, POCI-01-0145-FEDER-006684, POCI-01-0145-FEDER-016403)
Article History
Received: 29 January 2018
Accepted: 31 March 2018
First Online: 16 April 2018