Funding for this research was provided by:
National Heart, Lung, and Blood Institute (268200900029C)
Received: 30 January 2017
Accepted: 29 November 2017
First Online: 11 December 2017
Ethics approval and consent to participate
: The study protocol has been approved by IRBs in all participating institutes in Argentina (Comité de Ética de Protocolos de Investigación del Hospital Italiano de Buenos Aires), Chile (Comité de Ética del Servicio de Salud Araucanía Sur, Universidad de la Frontera), Uruguay (Comité de Ética para Proyectos de Investigación de la Universidad de la República) and US (Tulane University Biomedical IRB). The written informed consent has been obtained from all study participants.
: Not applicable.
: All the authors declare that they have no competing interests.
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