Author Correction: Cancer-associated fibroblasts require proline synthesis by PYCR1 for the deposition of pro-tumorigenic extracellular matrix. - Kay EJ; Paterson K; Riera-Domingo C; Sumpton D; Däbritz JHM; Tardito S; Boldrini C; Hernandez-Fernaud JR; Athineos D; Dhayade S; Stepanova E; Gjerga E; et al. (Nature metabolism, 2022)