About the Authors
Section on Genomic Structure and Function, Laboratory of Molecular and Cellular Biology, National Institute of Diabetes, Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland, United States of America
Doctorate School of Biology, Classical and Molecular Genetics Branch, Department of Genetics, Eötvös Lóránd University, Budapest, Hungary
The authors have declared that no competing interests exist.
Conceived and designed the experiments: RB DK KU. Performed the experiments: RB. Analyzed the data: RB DK KU. Wrote the paper: KU.