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;

Latin American Registry of Idiopathic Pulmonary Fibrosis (REFIPI): Clinical Characteristics, Evolution and Treatment Fabián Caro; Ivette Buendía-Roldán; Lorena Noriega-Aguirre; María L. Alberti; Alexandre Amaral; Guillermo Arbo; Santiago Auteri; Aníbal Bermúdez; Pablo Curbelo; Manuel de Jesús Díaz Verduzco; Isabel De la Fuente; Juan I. Enghelmayer; Martin Fernández; Matías Florenzano; Fernando Guillen; Ronaldo Kairalla; Yuri Liberato; Carlos Matiz; Mayra Mejía; Viviana Moyano; Alfredo Pachas; Silvia V. Escotorin; Gabriela Tabaj; Esther Tavera; Alvaro Undurraga; Brenda Varela; José Luis Velazquez; Moises Selman;