Funding for this research was provided by:
Received: 4 November 2018
Accepted: 22 January 2019
First Online: 31 January 2019
Ethics approval and consent to participate
: This study is part of a project that covers diagnosis, surveillance and molecular epidemiology of viruses that cause DD, approved by Fiocruz Ethics Committee (CEP 311/06). Since the study was done on a laboratory basis, with fecal samples sent to the regional reference center located in Rio de Janeiro, Fiocruz Ethics Committee approved the project without the need for informed consent provided by the patients` parents.
: Not applicable.
: The authors declare that they have no competing interests.
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