RT Journal Article SR Electronic T1 Correction: Differential quantities of immune checkpoint-expressing CD8 T cells in soft tissue sarcoma subtypes JF Journal for ImmunoTherapy of Cancer JO J Immunother Cancer FD BMJ Publishing Group Ltd SP e000271corr1 DO 10.1136/jitc-2019-000271corr1 VO 8 IS 2 YR 2020 UL http://jitc.bmj.com/content/8/2/e000271corr1.abstract