To provide comprehensive information on different PF-ILD within routine clinical practice: utilization of medication, efficacy, safety, quality of life and other patient related outcomes (PRO), and economic variables, including post-treatment follow-up. To compare various PF-ILD groups and treatment strategies with each other (and with the IPF cohort from INSIGHTS-IPF) in terms of characteristics and outcomes (lung function, survival, quality of life, other).
