Funding for this research was provided by:
Fundação de Amparo à Pesquisa do Estado de São Paulo (10/52554-1)
Text and Data Mining valid from 2018-03-15
Received: 19 August 2017
Accepted: 21 February 2018
First Online: 15 March 2018
Ethics approval and consent to participate
: The study was approved by the institutional ethics and review board of Hospital Sirio-Libanes (Comitê de Ética em Pesquisa protocol HSL 2010/61), which served as the coordinating institution, and also received approval from the other institutions (Comitê de Análise para Projetos de Pesquisa, Hospital das Clinicas da Universidade de São Paulo, and Comitê de Ética em Pesquisa, Universidade Federal de São Paulo). Informed consent was obtained from the patients or their representatives.
: Not applicable.
: The authors declare that they have no competing interests.
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