About the Authors
- Yi Xing, Karen Kapur, Wing Hung Wong
- Department of Statistics, Stanford University, Stanford, California, United States of America
- Yi Xing
- Department of Internal Medicine, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, Iowa, United States of America
The authors have declared that no competing interests exist.
Conceived and designed the experiments: YX WW. Performed the experiments: YX KK. Analyzed the data: YX WW KK. Wrote the paper: YX WW.