Funding for this research was provided by:
Fundação de Apoio ao Ensino, Pesquisa e Assistência do Hospital das Clínicas da Faculdade de Medicina de Ribeirão Preto da Universidade de São Paulo (2014)
Text and Data Mining valid from 2019-05-09
Received: 25 February 2019
Accepted: 27 April 2019
First Online: 9 May 2019
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: The study was approved by the local Research Ethics Committee (Protocol: 15538913.5.0000.5414). All procedures performed in studies involving human participants were in accordance with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.