Bittar, Luis F.
Siqueira, Lucia H.
Orsi, Fernanda A.
De Paula, Erich V.
Annichino-Bizzacchi, Joyce M.
Article History
Received: 3 November 2014
Accepted: 25 February 2015
First Online: 18 March 2015
Competing interests
: The authors declare no competing financial interests.