Azeredo, Rita http://orcid.org/0000-0003-2486-595X
Serra, Cláudia R. http://orcid.org/0000-0002-9852-2426
Oliva-Teles, Aires
Costas, Benjamín
Article History
Received: 5 June 2017
Accepted: 11 December 2017
First Online: 21 December 2017
Competing Interests
: The authors declare that they have no competing interests.