Janaína Luz Narciso-Schiavon, Leonardo Lucca Schiavon, Department of Internal Medicine, Division of Gastroenterology, Federal University of Santa Catarina, Santa Catarina 88040-900, Brazil
Author contributions: All authors contributed to the writing, analysing and revision of the manuscript.
Conflict-of-interest statement: None declared.
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Correspondence to: Janaína Luz Narciso-Schiavon, MD, PhD, Department of Internal Medicine, Division of Gastroenterology, Federal University of Santa Catarina, R. Prof. Ma Flora Pausewang s/no, 3º andar, Trindade, Florianópolis, Santa Catarina 88040-900, Brazil. firstname.lastname@example.org
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Received: September 27, 2016
Peer-review started: September 28, 2016
First decision: November 9, 2016
Revised: November 28, 2016
Accepted: December 8, 2016
Article in press: December 8, 2016
Published online: February 7, 2017