About the Authors

Bo Peng

To whom correspondence should be addressed. E-mail: bpeng@mdanderson.org

Affiliation Department of Epidemiology, The University of Texas M. D. Anderson Cancer Center, Houston, Texas, United States of America

Christopher I Amos

Affiliation Department of Epidemiology, The University of Texas M. D. Anderson Cancer Center, Houston, Texas, United States of America

Marek Kimmel

Affiliations Department of Statistics, Rice University, Texas, United States of America , Institute of Automation, Silesian Technical University, Gliwice, Poland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

BP conceived and implemented the method, analyzed the data, and wrote the paper. BP and CIA contributed reagents/materials/analysis tools. CIA assisted on Examples 2 and 3. MK supervised the entire process and proofread the paper.