Impact of COVID-19 Infection on Patients with Preexisting Interstitial Lung Disease: A Spanish Multicentre Study Elisa Martínez-Besteiro; María Molina-Molina; Anna Michela Gaeta; Myriam Aburto; Álvaro Casanova; Juan Rigual Bobillo; Sandra Orozco; Raquel Pérez Rojo; Raúl Godoy; Belén López-Muñiz Ballesteros; Erwin Javier Pinillos Robles; Susana Sánchez Fraga; Teresa Peña Miguel; Eva Balcells; Rosalía Laporta; Jose Antonio Rodríguez Portal; Susana Herrera Lara; Eva Cabrera; Orlando Acosta; Adrián Peláez; Claudia Valenzuela;