About the Authors
- Xiaolin Tu, Jianquan Chen, Joohyun Lim, Courtney M. Karner, Seung-Yon Lee, Fanxin Long
- Department of Medicine, Washington University School of Medicine, St. Louis, Missouri, United States of America
- Julia Heisig, Cornelia Wiese, Manfred Gessler
- Developmental Biochemistry, Biocentre, University of Wuerzburg, Wuerzburg, Germany
- Kameswaran Surendran, Raphael Kopan, Fanxin Long
- Department of Developmental Biology, Washington University School of Medicine, St. Louis, Missouri, United States of America
The authors have declared that no competing interests exist.
Conceived and designed the experiments: FL. Performed the experiments: XT JC JL CMK S-YL JH CW. Analyzed the data: XT FL. Contributed reagents/materials/analysis tools: KS RK MG. Wrote the paper: XT FL.