Safety and survival associated with biologic therapies: first report of the Biobadaguay on the Paraguayan-Uruguayan registry of adverse events with biologic therapies Paloma de Abreu; Gabriela Ávila-Pedretti; Zoilo Morel; María Isabel Acosta; Sonia Cabrera-Villalba; Patricia Melgarejo; Marcos Franco; Pedro Delgadillo; Lourdes Román; Juan Gabriel Elizaur; Ernesto Paredes; Darwin Octavio Cordobilla; Daniel Palleiro; Miguel Albanese; Julio Mazzoleni;