Cunha, Regina L.
Assis, Jorge M.
Madeira, Celine
Seabra, Rui
Lima, Fernando P.
Lopes, Evandro P.
Williams, Suzanne T.
Castilho, Rita
Article History
Received: 4 August 2016
Accepted: 30 December 2016
First Online: 2 February 2017
Competing interests
: The authors declare no competing financial interests.