Vilela, Sofia http://orcid.org/0000-0002-1944-0140
Severo, Milton
Moreira, Teresa
Ramos, Elisabete
Lopes, Carla
Article History
Received: 18 July 2017
Revised: 26 April 2018
Accepted: 30 April 2018
First Online: 30 May 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.