About the Authors

Pål O. Westermark

p.westermark@biologie.hu-berlin.de

Affiliation Institute for Theoretical Biology, Humboldt University, Berlin, Germany

David K. Welsh

Affiliations Department of Psychiatry, University of California San Diego, La Jolla, California, United States of America, Veterans Affairs San Diego Healthcare System, San Diego, California, United States of America

Hitoshi Okamura

Affiliation Department of Systems Biology, Graduate School of Pharmacological Science, Kyoto University, Kyoto, Japan

Hanspeter Herzel

Affiliation Institute for Theoretical Biology, Humboldt University, Berlin, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: POW HH. Performed the experiments: POW. Analyzed the data: POW HH. Contributed reagents/materials/analysis tools: POW DKW HO. Wrote the paper: POW DKW HH.