4. D.-H. Kim†, R. Ghaffari†, N. Lu†, S. Wang†, S.P. Lee, H. Keume, R. D’Angelo, L. Klinker, Y. Su, C. Lu, Y.-S. Kim, A. Ameen, Y. Li, Y. Zhang, B. de Graff, Y.-Y. Hsu, Z. Liu, J. Ruskin, L. Xu, C. Lu, F.G. Omenetto, Y. Huang, M. Mansour, M.J. Slepian and J.A. Rogers*, “Electronic Sensor and Actuator Webs for Large-Area Complex Geometry Cardiac Mapping and Therapy” PNAS 109, 19910 (2012).