Hypersensitivity Pneumonitis and (Idiopathic) Pulmonary Fibrosis Due to Feather Duvets and Pillows Ferran Morell; Ana Villar; Iñigo Ojanguren; Xavier Muñoz; María Jesús Cruz; Irene Sansano; Maria Antonia Ramon; Ganesh Raghu;

Risk Factors for Acute Exacerbations of Fibrotic Hypersensitivity Pneumonitis¿Is Exposure a Trigger That We¿re Missing? David Barros Coelho; Vanessa Santos; André Terras Alexandre; Helder Novais e Bastos; Patrícia Caetano Mota; António Morais; Natália Melo;

Serum Specific Immunoglobulins G. Do They Belong to the Standard Diagnostic Workup in Interstitial Lung Diseases? Martina Koziar Vasakova; Martina Sterclova;