Myositis-associated Interstitial Lung Disease: Clinical Characteristics and Factors Related to Pulmonary Function Improvement: A Latin-American Multicenter Cohort Study María Laura Alberti; Verónica Wolff; Felipe Reyes; Ernesto Juárez-León; Leandro Fassola; Gabriel Carballo; Ivette Buendía-Roldán; Jorge Rojas-Serrano; Fabián Caro; Matías Florenzano; Francisco Paulín;