- Address correspondence and reprint requests to Pedro Luiz Serrano Usón Junior, MD, Oncology Department, Hospital Israelita Albert Einstein, 627/701 Av. Albert Einstein, São Paulo, CEP 05651-901, Brazil. E-mail: .
- Received February 3, 2016
- Accepted December 7, 2016
- First published February 1, 2017.
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