About the Authors

Luca Ferretti

Affiliations Institut für Genetik, Universität zu Köln, Köln, Germany, Center for Research in AgriGenomics, Barcelona, Spain

Filippo Disanto

Affiliation Institut für Genetik, Universität zu Köln, Köln, Germany

Thomas Wiehe

twiehe@uni-koeln.de

Affiliation Institut für Genetik, Universität zu Köln, Köln, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Analyzed the data: LF TW. Wrote the paper: LF TW. Designed the study: TW LF. Performed calculations and derived theorems: LF FD. Performed computer simulations: LF TW.