About the Authors

Wang Xi

Affiliation Department of Biomedical Engineering John Hopkins, Baltimore, MD, United States of America

Michael A. Beer

mbeer@jhu.edu

Affiliations Department of Biomedical Engineering John Hopkins, Baltimore, MD, United States of America, McKusick-Nathans Institute of Genetic Medicine, Johns Hopkins University, Baltimore, MD, United States of America

Competing Interests

The authors have declared that no competing interests exist.