Freire, Gonçalo
Cruz, Rita
Valentim, Maria Helena
Marques, Teresa Granate
Afonso, P. Diana
Article History
Received: 12 March 2018
Revised: 21 May 2018
Accepted: 25 May 2018
First Online: 22 June 2018
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.