About the Authors

James H Degnan

Affiliation Department of Biostatistics, Harvard School of Public Health, Boston, Massachusetts, United States of America

Noah A Rosenberg

Affiliation Department of Human Genetics, Bioinformatics Program, and the Life Sciences Institute, University of Michigan, Ann Arbor, Michigan, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Both authors conceived the study and wrote the paper. JHD and NAR developed the AGT and anomaly zone concepts, and NAR and JHD devised the mathematical proofs.