Tavares, Aida Isabel http://orcid.org/0000-0003-3487-1202
Article History
Received: 7 November 2016
Accepted: 14 March 2017
First Online: 14 April 2017
Compliance with ethical standards
:
: There are no conflict of interests.
: No grants were received.
: No ethical approval is needed; data is publicly available.