Severely impaired lung function History or concurrent condition of interstitial lung disease of any grade or severely impaired pulmonary function History or concurrent condition of interstitial lung disease of any grade or severely impaired pulmonary function History or concurrent condition of interstitial lung disease of any grade or severely impaired pulmonary function History or concurrent condition of interstitial lung disease and/or severely impaired lung function (as judged by the investigator) History or concurrent condition of interstitial lung disease of any severity and/or severely impaired lung function History or concurrent condition of interstitial lung disease of any severity and/or severely impaired lung function (as judged by the investigator). History or concurrent condition of interstitial lung disease of any severity and/or severely impaired lung function (as judged by the investigator) History or concurrent condition of interstitial lung disease of any severity and/or severely impaired lung function (as judged by the investigator) Severely impaired lung function History or concurrent condition of interstitial lung disease or severely impaired pulmonary function Severely impaired lung function History or concurrent condition of interstitial lung disease of any severity and/or severely impaired lung function (as judged by the investigator)