About the Authors

Sanderland J. T. Gurgel

drsanderland@hotmail.com

Affiliation Department of Anesthesiology, Faculdade de Medicina de Botucatu, UNESP, Univ Estadual Paulista, Brazil; and UNINGÁ University, Maringá, Paraná, Brazil

Regina El Dib

Affiliation Department of Anesthesiology, Faculdade de Medicina de Botucatu, UNESP, Univ Estadual Paulista, Brazil; and McMaster Institute of Urology, McMaster University, Canada

Paulo do Nascimento Jr

Affiliation Department of Anesthesiology, Faculdade de Medicina de Botucatu, UNESP, Univ Estadual Paulista, Brazil

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: STG RED PN. Performed the experiments: STG RED PN. Analyzed the data: STG RED PN. Contributed reagents/materials/analysis tools: STG RED PN. Wrote the paper: STG RED PN.