Volpe, Caroline Maria Oliveira
Villar-Delfino, Pedro Henrique
dos Anjos, Paula Martins Ferreira
Nogueira-Machado, José Augusto
Article History
Received: 25 June 2017
Revised: 29 September 2017
Accepted: 2 November 2017
First Online: 25 January 2018
Conflict of interest
: The authors declare that they have no conflict of interest.