About the Authors

Chuanhua Xing

chuanhua.xing@gmail.com

Affiliation Department of Biostatistics and Bioinformatics, Duke University, Durham, North Carolina, United States of America

David B. Dunson

Affiliation Department of Statistical Science, Duke University, Durham, North Carolina, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CX DBD. Performed the experiments: CX. Analyzed the data: CX DBD. Contributed reagents/materials/analysis tools: CX. Wrote the paper: CX DBD.