Tomczyk, Sara http://orcid.org/0000-0001-6975-2663
Lessa, Fernanda C.
Sánchez, Jacqueline
Peña, Chabela
Fernández, Josefina
Gloria Carvalho, M.
Pimenta, Fabiana
Cedano, Doraliza
Whitney, Cynthia G.
Verani, Jennifer R.
Coradin, Hilma
Garib, Zacarías
De Oliveira, Lucia Helena
Feris-Iglesias, Jesús
Funding for this research was provided by:
Pan American Health Organization
Article History
Received: 14 July 2017
Accepted: 19 March 2018
First Online: 2 April 2018
Ethics approval and consent to participate
: The protocol was approved by the ethics committees of Hospital Infantil Robert Reid Cabral and Pan American Health Organization. The Centers for Disease Control and Prevention also determined the protocol to be public health non-research. Written informed consent was obtained from the parent or guardian of all potential case-patient and control subjects.
: Not applicable.
: The authors declare that they have no competing interests.
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