Quintana, María Martha
Vera, Berta
Magnarelli, Gladis
Guiñazú, Natalia
Rovedatti, María Gabriela
Funding for this research was provided by:
Universidad Nacional del Comahue (I004/3)
Argentine Scientific and Technological Research Fund (FONCyT) (PICT-Redes 2007-00214)
Argentine Ministry of Health through the Ramón Carrillo-Arturo Oñativia Program (NRU: CONV09/00064)