APPLIED BIOLOGICAL SCIENCES Correction for “Design and formulation of functional pluripotent stem cell-derived cardiac microtissues,” by Nimalan Thavandiran, Nicole Dubois, Alexander Mikryukov, Stéphane Massé, Bogdan Beca, Craig A. Simmons, Vikram S. Deshpande, J. Patrick McGarry, Christopher S. Chen, Kumaraswamy Nanthakumar, Gordon M. Keller, Milica Radisic, and Peter W. Zandstra, which appeared in issue 49, December 3, 2013, of Proc Natl Acad Sci USA (110:E4698–E4707; first published November 19, 2013; 10.1073/pnas.1311120110).
The authors note that the following statement should be added to the Acknowledgments: “We would also like to thank Fibralign for developing aligned collagen slides that were used in this study.”