RT Journal Article SR Electronic T1 Correction: Steroid-refractory PD-(L)1 pneumonitis: incidence, clinical features, treatment, and outcomes JF Journal for ImmunoTherapy of Cancer JO J Immunother Cancer FD BMJ Publishing Group Ltd SP e001731corr1 DO 10.1136/jitc-2020-001731corr1 VO 10 IS 9 YR 2022 UL http://jitc.bmj.com/content/10/9/e001731corr1.abstract