About the Authors

Natalya Yutin

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

Pere Puigbò

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

Eugene V. Koonin

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

Yuri I. Wolf

wolf@ncbi.nlm.nih.gov

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

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: NY EVK YIW. Performed the experiments: NY PP. Analyzed the data: NY PP EVK YIW. Wrote the paper: NY EVK YIW.