About the Authors

Francine D. Berman

BERMAF@rpi.edu

Affiliation Department of Computer Science, Rensselaer Polytechnic Institute, Troy, New York, United States of America

Philip E. Bourne

Affiliation Office of the Director, National Institutes of Health, Bethesda, Maryland, United States of America

Competing Interests

The authors have declared that no competing interests exist.