Contribution	Authors involved
Study design	All authors
Analysis of data	GS and SM
All authors interpreted the data and were involved in the development of the manuscript and completed critical reviews	All authors
All named authors meet the International Committee of Medical Journal Editors (ICMJE) criteria for authorship for this manuscript, take responsibility for the integrity of the work as a whole, and have given final approval to the version to be published.	All authors
Guarantor	Guilherme Safioti