Funding for this research was provided by:
Agencia Nacional de Investigación e Innovación
Fogarty International Center (R01 TW06223-01)
by Comision Sectorial de Investigacion Cientifica-CSIC
Received: 17 October 2016
Accepted: 13 July 2017
First Online: 26 July 2017
Ethics approval and consent to participate
: All of the studies were anonymous, and the participants provided written informed consent. The School of Medicine-Universidad de la Republica Ethics Committee, in Montevideo, Uruguay, approved the protocol in December 2007 and additions in October 2012. This study complies with the Helsinki declaration.
: All participants included in this study signed a written informed consent for publication.
: None of the authors declare any competing financial interests.
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