Moreira, P S
Marques, P
Soriano-Mas, C
Magalhães, R
Sousa, N
Soares, J M
Morgado, P
Article History
Received: 29 March 2017
Revised: 20 May 2017
Accepted: 23 June 2017
First Online: 29 August 2017
Competing interests
: The authors declare no conflict of interest.