RT Journal Article SR Electronic T1 Correction: Phase 2 study of pembrolizumab in patients with advanced rare cancers JF Journal for ImmunoTherapy of Cancer JO J Immunother Cancer FD BMJ Publishing Group Ltd SP e000347corr1 DO 10.1136/jitc-2019-000347corr1 VO 8 IS 1 YR 2020 UL http://jitc.bmj.com/content/8/1/e000347corr1.abstract