Erratum: Porous scaffold design for tissue engineering

Nature Materials 4, 518–524 (2005) doi: 10.1038/nmat1421 In this Progress Article, the caption for Figure 6 was incorrect; the correct wording is below. Figure 6 Cartilage regeneration by chondrocyte delivery on designed Bioplotter-fabricated PEG/PBT scaffolds is superior to PEG/PBT scaffolds made by porogen leaching.