Lin Z, Garbern JC, Liu R, Li Q, Juncosa EMancheño, Elwell HLT, Sokol M, Aoyama J, Deumer U-S, Hsiao E, et al. Tissue-embedded stretchable nanoelectronics reveal endothelial cell-mediated electrical maturation of human 3D cardiac microtissues. Sci Adv. 2023;9(10):eade8513.