1. ETHICS APPROVAL AND CONSENT TO PARTICIPATE: This study was approved by the Ethics in Research Committee of the Hospital Israelita Albert Einstein and informed consent were waived by the same committee - (number 00737118.6.0000.0071).
2. CONSENT TO PUBLISH: Not applicable.
3. AVAILABILITY OF DATA AND MATERIALS: The datasets used and/or analyzed during the current study are available from the corresponding author upon reasonable request.
4. Numbers
Total number of words (main text): 2518
Total number of figures: 3
Total number of tables: 5
5. AUTHOR`S CONTRIBUTIONS:
Paulo Ricardo Gessolo Lins: participated in study design, data acquisition, data analysis and interpretation, written manuscript drafting, critical revision of manuscript drafts, and final approval of manuscript for publication. Accountability for all aspects of the work, including resolution of all questions related to the accuracy or integrity of all aspects of the work.
Roberto Camargo Narciso: participated in data acquisition, data analysis and interpretation, critical revision of manuscript drafts, and final approval of manuscript for publication. Accountability for all aspects of the work, including resolution of all questions related to the accuracy or integrity of all aspects of the work.
Leonardo Rolim Ferraz: participated in study design, data acquisition, data analysis and interpretation, critical revision of manuscript drafts, and final approval of manuscript for publication. Accountability for all aspects of the work, including resolution of all questions related to the accuracy or integrity of all aspects of the work.
Virgilio Gonçalves Pereira: participated in critical revision of manuscript drafts, and final approval of manuscript for publication. Accountability for all aspects of the work, including resolution of all questions related to the accuracy or integrity of all aspects of the work.
Ben-Hur Ferraz-Neto: participated in critical revision of manuscript drafts, and final approval of manuscript for publication. Accountability for all aspects of the work, including resolution of all questions related to the accuracy or integrity of all aspects of the work.
Marcio Dias De Almeida: participated in critical revision of manuscript drafts, and final approval of manuscript for publication. Accountability for all aspects of the work, including resolution of all questions related to the accuracy or integrity of all aspects of the work.
Bento Fortunato Cardoso Dos Santos: participated in critical revision of manuscript drafts, and final approval of manuscript for publication. Accountability for all aspects of the work, including resolution of all questions related to the accuracy or integrity of all aspects of the work.
Oscar Fernando Pavão Dos Santos: participated in critical revision of manuscript drafts, and final approval of manuscript for publication. Accountability for all aspects of the work, including resolution of all questions related to the accuracy or integrity of all aspects of the work.
Júlio Cesar Martins Monte: participated in critical revision of manuscript drafts, and final approval of manuscript for publication. Accountability for all aspects of the work, including resolution of all questions related to the accuracy or integrity of all aspects of the work.
Marcelino Souza Durão: participated in study design, critical revision of manuscript drafts, and final approval of manuscript for publication. Accountability for all aspects of the work, including resolution of all questions related to the accuracy or integrity of all aspects of the work.
Marcelo Costa Batista: participated in study design, data acquisition, data analysis and interpretation, written manuscript drafting, critical revision of manuscript drafts, and final approval of manuscript for publication. Accountability for all aspects of the work, including resolution of all questions related to the accuracy or integrity of all aspects of the work.
6. COMPETING INTERESTS: The authors declare that they have no competing interests.
7. Funding: This is retrospective analysis from an individual investigator initiative. Paulo Ricardo Gessolo Lins received a PhD’s scholarship from “Coordenação de Aperfeiçoamento de Pessoal de Nível Superior” (CAPES, Brazil) for the preparation of this manuscript.
8. Acknowledgments
This study was supported by a grant from CAPES (Coordenação de Aperfeiçoamento de Pessoal de Nível Superior).