About the Authors

Haoxing Xu, Jie Jin, Nancy C Andrews, David E Clapham
Howard Hughes Medical Institute, Children's Hospital, Harvard Medical School, Boston, Massachusetts, United States of America

Louis J DeFelice
Department of Pharmacology, Vanderbilt University Medical Center, Nashville, Tennessee, United States of America

Corresponding Authors

Competing Interests

The authors have declared that no conflicts of interest exist.

Author Contributions

HX, JJ, LJD, NCA, and DEC conceived and designed the experiments. HX and JJ performed the experiments. HX and JJ analyzed the data. HX, NCA, and DEC wrote the paper.