About the Authors

Liran Carmel

Affiliation Department of Genetics, The Alexander Silberman Institute of Life Sciences, Faculty of Science, The Hebrew University of Jerusalem, Edmond J. Safra Campus, Givat Ram, Jerusalem, Israel

Eugene V. Koonin

Affiliation National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, Maryland, United States of America

Stella Dracheva


Affiliations James J Peters Veterans Affairs Medical Center, Bronx, New York, United States of America, Department of Psychiatry, Mount Sinai School of Medicine, New York, New York, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SD. Performed the experiments: SD. Analyzed the data: LC. Contributed reagents/materials/analysis tools: LC SD EVK. Wrote the paper: LC EVK SD.