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Article History

Received: 7 May 2019

Accepted: 30 January 2020

First Online: 24 February 2020

Ethics approval and consent to participate

: The study was approved by the Ethics Committee of the City of Curitiba (CAAE: 340214147.0000.0101), and the Ethics Committee of the São Paulo University (CAAE 5927167.0000.0065). A written consent for participation was obtained from all medical residents and patients involved in the study. The residents’ participation was voluntary.

: A written consent for publication was obtained from all medical residents and patients involved in the study.

: The authors declare that they have no competing interests.