From the Department of Surgery, Federal University of Santa Catarina, Santa Catarina, Brazil.
Accepted for publication July 28, 2017.
The author declares no conflicts of interest.
Reprints will not be available from the author.
Address correspondence to Getúlio Rodrigues de Oliveira Filho, MD, PhD, Rua Luiz Delfino 111/902, Florianopolis, SC, Brazil. Address e-mail to firstname.lastname@example.org, email@example.com.