Fig. 2.

Adalberto Sperb Rubin is Professor of Pulmonary Medicine at the Federal University of Health Sciences of Porto Alegre. He has a PhD from the Federal University of Rio Grande do Sul. He is Chief of the Pulmonary Department of Santa Casa of Porto Alegre and Coordinator of the ILD Center of this hospital. He is currently a member of the American Thoracic Society, the European Respiratory Society, the Latin American Thoracic Association, and the Brazilian Society of Pneumology and Tisiology (SBPT), as well as of the Interstitial Lung Disease Committee of SBPT