About the Authors

Billy Chang

Affiliations State Key Laboratory of Genetic Engineering, Institute of Biostatistics, School of Life Sciences, Fudan University, Shanghai, P.R. China, Dalla Lana School of Public Health, Division of Biostatistics, University of Toronto, Toronto, Ontario, Canada

Rafal Kustra

Affiliation Dalla Lana School of Public Health, Division of Biostatistics, University of Toronto, Toronto, Ontario, Canada

Weidong Tian

weidong.tian@fudan.edu.cn

Affiliation State Key Laboratory of Genetic Engineering, Institute of Biostatistics, School of Life Sciences, Fudan University, Shanghai, P.R. China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: WT. Performed the experiments: BC. Analyzed the data: BC RK. Wrote the paper: BC.