Sorger, Gonçalo http://orcid.org/0000-0002-1915-5921
Vilaça, Pedro http://orcid.org/0000-0003-4749-3036
Santos, Telmo G.
Article History
Received: 28 June 2019
Accepted: 14 November 2019
First Online: 29 November 2019
Competing interests
: The authors declare no competing interests.