Rea, Ramón
De Sousa-Vieira, Orlando
Díaz, Alida
Ramón, Miguel
Briceño, Rosaura
George, José
Niño, Milagros
Balzano-Nogueira, Leandro
Funding for this research was provided by:
Venezuelan Endowment for Science, Technology and Innovation (FONACIT) for the financing of regional trials.