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Article History

Received: 18 June 2018

Accepted: 5 April 2019

First Online: 30 May 2019

Ethics approval and consent to participate

: This study was approved by the Ethics Committee of the Fundação de Medicina Tropical (FMT) on August 15, 2016 under protocol number CAAE 57610316.7.0000.0005, and by the Municipal Health Secretariat of Manaus (SEMSA) under authorization number 25/2016. On February 13, 2018, the study was retrospectively registered and approved by the Brazilian Registry of Clinical Trials (Registro Brasileño de Ensayos Clínicos - Rebec) under trial number RBR-56qkdc. Patients participating in this study did so voluntarily, were free to quit the study at any time and for any reason, and their participation had no negative effects on their relationship with the health centers. Written consent was obtained from all participants prior to an interview.

: Not applicable.

: The authors declare that they have no competing interests.

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