Correction: αvβ3-integrin regulates PD-L1 expression and is involved in cancer immune evasion (Proceedings of the National Academy of Sciences of the United States of America (2019) 116 DOI: 10.1073/pnas.1901931116)

Correction for “αvβ3-integrin regulates PD-L1 expression and is involved in cancer immune evasion,” by Andrea Vannini, Valerio Leoni, Catia Barboni, Mara Sanapo, Anna Zaghini, Paolo Malatesta, Gabriella Campadelli-Fiume, and Tatiana Gianni, which was first published September 16, 2019; 10.1073/pnas.1901931116 (Proc. Natl. Acad. Sci. U.S.A. 116, 20141–20150). The authors note that an additional affiliation should be listed for Paolo Malatesta. The new affiliation should appear as Ospedale Policlinico San Martino, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), 16132 Genova, Italy. The corrected author and affiliation lines appear below. The online version has been corrected.