Silva, J. P. B.
Faita, F. L.
Kamakshi, K.
Sekhar, K. C.
Moreira, J. Agostinho
Almeida, A.
Pereira, M.
Pasa, A. A.
Gomes, M. J. M.
Article History
Received: 21 October 2016
Accepted: 30 November 2016
First Online: 11 April 2017
Competing interests
: The authors declare no competing financial interests.