Aslani, S http://orcid.org/0000-0002-3748-9896
Vieira, N http://orcid.org/0000-0002-7166-4336
Marques, F
Costa, P S
Sousa, N http://orcid.org/0000-0002-8755-5126
Palha, J A
Article History
Received: 28 November 2014
Revised: 12 June 2015
Accepted: 11 July 2015
First Online: 24 November 2015
Competing interests
: The authors declare no conflict of interest.