MEDICAL SCIENCES Correction for “Hemoglobin βCys93 is essential for cardiovascular function and integrated response to hypoxia,” by Rongli Zhang, Douglas T. Hess, Zhaoxia Qian, Alfred Hausladen, Fabio Fonseca, Ruchi Chaube, James D. Reynolds, and Jonathan S. Stamler, which appeared in issue 20, May 19, 2015, of Proc Natl Acad Sci USA (112:6425–6430; first published March 25, 2015; 10.1073/pnas.1502285112).
The authors note that the following statement should be added to the Acknowledgments: “This work was sponsored in part by NIH Grants HL091876, HL095463, and PO1 HL075443, and DARPA Contracts N66001-10-C-2015 and N66001-13-C-4054.”